diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0aeae4d..a688531 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,11 +2,7 @@ name: CI
 
 on:
   push:
-    branches:
-      - "**"
   pull_request:
-    branches:
-      - "**"
 
 permissions:
   contents: read
@@ -16,43 +12,13 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  test:
-    name: Test (${{ matrix.os }})
-    runs-on: ${{ matrix.os }}
-
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest, macos-latest]
-
-    env:
-      BUILD_TYPE: Release
-      BUILD_DIR: build
-      GENERATOR: Ninja
-      CCACHE_DIR: ~/.ccache
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Install dependencies
-        run: |
-          ./scripts/deps.sh
-
-      - name: Restore ccache
-        uses: actions/cache@v4
-        with:
-          path: ~/.ccache
-          key: ccache-${{ runner.os }}-${{ github.ref_name }}-${{ github.sha }}
-          restore-keys: |
-            ccache-${{ runner.os }}-${{ github.ref_name }}-
-            ccache-${{ runner.os }}-
-
-      - name: Show ccache stats (before)
-        run: ccache -s || true
-
-      - name: Build + Test
-        run: make test
-
-      - name: Show ccache stats (after)
-        run: ccache -s || true
+  build:
+    uses: vivarium-ai/certifiable-github/.github/workflows/ci.yml@master
+    with:
+      build-target: certifiable-inference
+
+  tt-build:
+    uses: vivarium-ai/certifiable-github/.github/workflows/tt-ci.yml@master
+    with:
+      build-target: certifiable-inference
+      tt_dev_image: ghcr.io/tenstorrent/tt-metal/tt-metalium/ubuntu-22.04-dev-amd64:d6958801d86fe1e20a07f2be7795fac0b2c9b211
diff --git a/.gitignore b/.gitignore
index a9f6b42..9011929 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,13 @@
 # Build artifacts
-build/
+/build-*/
+/build_*/
+/build/bootstrap/
+/.bdep/
+.bpkg/
+
+**/*.config.build
+**/*.config.build.save
+
 *.o
 *.a
 *.so
@@ -21,6 +29,20 @@ Thumbs.db
 tests/static/*.txt
 tests/benchmarks/results/
 
+# Build2 symlinks exes from build dir to src dir for convenient
+examples/debug_conv
+examples/debug_pool
+examples/edge_detection
+examples/xor_gate
+tests/benchmarks/test_timing_consistency
+tests/unit/test_activations
+tests/unit/test_convolution
+tests/unit/test_fixed_point
+tests/unit/test_hash_basic
+tests/unit/test_hash_consistency
+tests/unit/test_matrix_reproducibility
+tests/unit/test_pooling
+
 # Temporary files
 *.tmp
 *.log
diff --git a/CMakeLists.txt b/CMakeLists.txt
deleted file mode 100644
index 54b7412..0000000
--- a/CMakeLists.txt
+++ /dev/null
@@ -1,197 +0,0 @@
-cmake_minimum_required(VERSION 3.10)
-project(certifiable_inference C)
-
-set(CMAKE_C_STANDARD 99)
-set(CMAKE_C_STANDARD_REQUIRED ON)
-
-# Compiler flags for high-integrity C
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Werror -pedantic")
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-parameter")
-
-# Additional flags for static analysis
-include(CheckCCompilerFlag)
-
-check_c_compiler_flag("-fanalyzer" HAS_FANALYZER)
-if (HAS_FANALYZER)
-  add_compile_options(-fanalyzer)
-endif()
-
-# Include directories
-include_directories(${PROJECT_SOURCE_DIR}/include)
-include_directories(${PROJECT_SOURCE_DIR}/include/core)
-include_directories(${PROJECT_SOURCE_DIR}/include/containers)
-
-# Core library sources
-add_library(certifiable_inference
-    src/containers/deterministic_hash.c
-    src/core/fixed_point.c
-    src/core/matrix.c
-    src/core/activations.c
-    src/core/convolution.c
-    src/core/pooling.c
-)
-
-# Example programs
-add_executable(xor_gate
-    examples/xor_gate.c
-)
-target_link_libraries(xor_gate certifiable_inference m)
-
-add_executable(edge_detection
-    examples/edge_detection.c
-)
-target_link_libraries(edge_detection certifiable_inference m)
-
-# Benchmarks
-add_executable(timing_benchmark
-    tests/benchmarks/test_timing_consistency.c
-)
-target_link_libraries(timing_benchmark certifiable_inference m)
-
-# Enable testing
-enable_testing()
-
-function(ci_add_unit_test name)
-  add_executable(${name} ${ARGN})
-
-  # -UNDEBUG undefines NDEBUG even if it came from -DNDEBUG in Release.
-  target_compile_options(${name} PRIVATE -UNDEBUG)
-
-  # Common libs for all unit tests
-  target_link_libraries(${name} PRIVATE certifiable_inference m)
-
-  # Register with CTest
-  add_test(NAME ${name} COMMAND ${name})
-endfunction()
-
-# Unit test executables
-ci_add_unit_test(test_hash_basic              tests/unit/test_hash_basic.c)
-ci_add_unit_test(test_hash_consistency        tests/unit/test_hash_consistency.c)
-ci_add_unit_test(test_fixed_point             tests/unit/test_fixed_point.c)
-ci_add_unit_test(test_matrix_reproducibility  tests/unit/test_matrix_reproducibility.c)
-ci_add_unit_test(test_activations             tests/unit/test_activations.c)
-ci_add_unit_test(test_convolution             tests/unit/test_convolution.c)
-ci_add_unit_test(test_pooling                 tests/unit/test_pooling.c)
-
-# Static Analysis Targets
-find_program(CPPCHECK cppcheck)
-if(CPPCHECK)
-    add_custom_target(
-        cppcheck
-        COMMAND ${CPPCHECK}
-            --enable=all
-            --error-exitcode=1
-            --suppress=missingIncludeSystem
-            --std=c99
-            -I ${PROJECT_SOURCE_DIR}/include
-            ${PROJECT_SOURCE_DIR}/src/
-        COMMENT "Running cppcheck static analysis"
-    )
-endif()
-
-# MISRA-C checking (if cppcheck-misra is available)
-find_program(CPPCHECK_MISRA cppcheck)
-if(CPPCHECK_MISRA)
-    add_custom_target(
-        misra-check
-        COMMAND ${CPPCHECK_MISRA}
-            --addon=misra
-            --error-exitcode=1
-            --suppress=missingIncludeSystem
-            -I ${PROJECT_SOURCE_DIR}/include
-            ${PROJECT_SOURCE_DIR}/src/
-        COMMENT "Running MISRA-C compliance check"
-    )
-endif()
-
-# Coverage target (requires gcov)
-option(ENABLE_COVERAGE "Enable code coverage" OFF)
-if(ENABLE_COVERAGE)
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --coverage")
-    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} --coverage")
-endif()
-
-# Custom target to run all tests
-add_custom_target(
-    test-all
-    COMMAND ${CMAKE_CTEST_COMMAND} --verbose
-    DEPENDS test_hash_basic
-            test_hash_consistency
-            test_fixed_point
-            test_matrix_reproducibility
-            test_activations
-            test_convolution
-            test_pooling
-    COMMENT "Running all tests"
-)
-
-# Custom target to run static analysis and tests
-add_custom_target(
-    verify-all
-    DEPENDS test-all
-    COMMENT "Running complete verification suite"
-)
-
-if(CPPCHECK)
-    add_dependencies(verify-all cppcheck)
-endif()
-
-# Custom target for benchmarks
-add_custom_target(
-    benchmarks
-    COMMAND ./timing_benchmark
-    DEPENDS timing_benchmark
-    COMMENT "Running performance benchmarks"
-)
-
-# Print configuration summary
-message(STATUS "")
-message(STATUS "═══════════════════════════════════════════════")
-message(STATUS "  Certifiable Inference Engine Configuration")
-message(STATUS "═══════════════════════════════════════════════")
-message(STATUS "  C Compiler:    ${CMAKE_C_COMPILER}")
-message(STATUS "  C Standard:    C99")
-message(STATUS "  Build Type:    ${CMAKE_BUILD_TYPE}")
-message(STATUS "  C Flags:       ${CMAKE_C_FLAGS}")
-message(STATUS "")
-message(STATUS "Components:")
-message(STATUS "  ✓ Fixed-point arithmetic (Q16.16)")
-message(STATUS "  ✓ Matrix operations")
-message(STATUS "  ✓ Convolution (2D)")
-message(STATUS "  ✓ Activation functions (ReLU)")
-message(STATUS "  ✓ Max Pooling (2×2 stride-2)")
-message(STATUS "  ✓ Deterministic hash table")
-message(STATUS "")
-message(STATUS "Tests:")
-message(STATUS "  ✓ Unit tests (7 test suites)")
-message(STATUS "  ✓ Timing benchmarks")
-message(STATUS "  ✓ Example programs (xor_gate, edge_detection)")
-message(STATUS "")
-if(CPPCHECK)
-    message(STATUS "Static Analysis:")
-    message(STATUS "  ✓ cppcheck: Available")
-else()
-    message(STATUS "Static Analysis:")
-    message(STATUS "  ✗ cppcheck: Not found (install for static analysis)")
-endif()
-message(STATUS "")
-message(STATUS "Build Targets:")
-message(STATUS "  make              - Build all components")
-message(STATUS "  make test-all     - Run all unit tests")
-message(STATUS "  make benchmarks   - Run timing benchmarks")
-message(STATUS "  make verify-all   - Run tests + static analysis")
-if(CPPCHECK)
-    message(STATUS "  make cppcheck     - Run cppcheck only")
-endif()
-if(CPPCHECK_MISRA)
-    message(STATUS "  make misra-check  - Run MISRA-C compliance check")
-endif()
-message(STATUS "═══════════════════════════════════════════════")
-message(STATUS "")
-
-# Debug programs
-add_executable(debug_conv examples/debug_conv.c)
-target_link_libraries(debug_conv certifiable_inference m)
-
-add_executable(debug_pool examples/debug_pool.c)
-target_link_libraries(debug_pool certifiable_inference m)
diff --git a/Makefile b/Makefile
index c3508ff..3093b98 100644
--- a/Makefile
+++ b/Makefile
@@ -9,52 +9,53 @@ export VERSION
 export REVISION
 
 # Build configuration (overrideable)
-BUILD_DIR ?= build
-BUILD_TYPE ?= Release
-GENERATOR ?= Ninja
+# build2 requires out-of-source builds. Default to parent directory with compiler suffix.
+SRCDIR := $(notdir $(CURDIR))
+SCRIPTS_DIR ?= ./certifiable-build/scripts
+BUILD_DIR ?= ../build2/$(SRCDIR)-default
+BUILD_TYPE ?= release
+PREFIX ?= /usr/local
 
-CMAKE ?= cmake
-CTEST ?= ctest
+# Export for scripts
+export BUILD_DIR
+export BUILD_TYPE
+export PREFIX
 
-# ccache (enabled by default if available)
-CCACHE ?= ccache
-CCACHE_DIR ?= $(HOME)/.ccache
-export CCACHE_DIR
+.PHONY: all help setup start-tt config build test install package release clean
 
-CMAKE_CACHE_ARGS := \
-	-DCMAKE_BUILD_TYPE=$(BUILD_TYPE) \
-	-DCMAKE_C_COMPILER_LAUNCHER=$(CCACHE) \
-	-DCMAKE_CXX_COMPILER_LAUNCHER=$(CCACHE)
-
-.PHONY: all help deps config build test install release clean
-
-all: test
+all: config build test
 
 ##@ Dependencies
-deps: ## Install project dependencies
-	./scripts/deps.sh
+setup: ## Setup project
+	$(SCRIPTS_DIR)/setup.sh
 
 ##@ Development
 config: ## Configure the build
-	$(CMAKE) -S . -B $(BUILD_DIR) -G "$(GENERATOR)" $(CMAKE_CACHE_ARGS)
+	$(SCRIPTS_DIR)/config.sh
 
-build: config ## Build the project
-	$(CMAKE) --build $(BUILD_DIR) --parallel
+build: ## Build the project
+	$(SCRIPTS_DIR)/build.sh
+
+start-tt: ## Start the Tenstorrent container
+	$(SCRIPTS_DIR)/start-tt.sh
 
 ##@ Testing
-test: build ## Run tests
-	$(CTEST) --test-dir $(BUILD_DIR) --output-on-failure
+test: ## Run tests
+	$(SCRIPTS_DIR)/test.sh
 
 ##@ Project Management
 install: build ## Install the project
-	$(CMAKE) --install $(BUILD_DIR)
+	$(SCRIPTS_DIR)/install.sh
+
+package: ## Build release artifacts
+	$(SCRIPTS_DIR)/package.sh
 
-release: ## Build release artifacts
-	@echo "Building release..."
+release: ## Publish release artifacts
+	$(SCRIPTS_DIR)/release.sh
 
 ##@ Maintenance
 clean: ## Remove all build artifacts
-	rm -rf $(EXES) $(DIST) $(BUILD_DIR)
+	$(SCRIPTS_DIR)/clean.sh
 
 ##@ Documentation
 help: ## Display this help
diff --git a/build/.gitignore b/build/.gitignore
new file mode 100644
index 0000000..36a6622
--- /dev/null
+++ b/build/.gitignore
@@ -0,0 +1,5 @@
+*.config.build
+*.config.build.save
+*.variables.build
+
+.DS_Store
diff --git a/build/bootstrap.build b/build/bootstrap.build
new file mode 100644
index 0000000..23d81b2
--- /dev/null
+++ b/build/bootstrap.build
@@ -0,0 +1,7 @@
+project = certifiable-inference
+
+using version
+using config
+using test
+using dist
+using install
diff --git a/build/export.build b/build/export.build
new file mode 100644
index 0000000..fea5ff6
--- /dev/null
+++ b/build/export.build
@@ -0,0 +1,4 @@
+export \
+{
+  include = include/
+}
diff --git a/build/root.build b/build/root.build
new file mode 100644
index 0000000..89ffc4b
--- /dev/null
+++ b/build/root.build
@@ -0,0 +1,14 @@
+using c
+using test
+
+c.std = c99
+c.warnings = all
+c.coptions += -Werror -pedantic -Wno-unused-parameter
+
+if ($c.target.class == 'windows')
+  fail "certifiable-inference does not support Windows"
+
+if ($c.id == 'gcc')
+  c.coptions += -fanalyzer
+
+c.poptions =+ "-I$src_root/include"
diff --git a/buildfile b/buildfile
new file mode 100644
index 0000000..9c750bc
--- /dev/null
+++ b/buildfile
@@ -0,0 +1,7 @@
+./: {*/ -build/ -tools/ -certifiable-build/ -include/ -.github/ -docs/} manifest
+
+./: src/ (examples/) tests/
+
+import src = src/
+import examples = examples/
+import tests = tests/
diff --git a/certifiable-build/.gitignore b/certifiable-build/.gitignore
new file mode 100644
index 0000000..e69de29
diff --git a/certifiable-build/LICENSE b/certifiable-build/LICENSE
new file mode 100644
index 0000000..cebc493
--- /dev/null
+++ b/certifiable-build/LICENSE
@@ -0,0 +1,678 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The GNU General Public License is a free, copyleft license for
+software and other kinds of works.
+
+  The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works.  By contrast,
+the GNU General Public License is intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains free
+software for all its users.  We, the Free Software Foundation, use the
+GNU General Public License for most of our software; it applies also to
+any other work released this way by its authors.  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+them if you wish), that you receive source code or can get it if you
+want it, that you can change the software or use pieces of it in new
+free programs, and that you know you can do these things.
+
+  To protect your rights, we need to prevent others from denying you
+these rights or asking you to surrender the rights.  Therefore, you have
+certain responsibilities if you distribute copies of the software, or if
+you modify it: responsibilities to respect the freedom of others.
+
+  For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must pass on to the recipients the same
+freedoms that you received.  You must make sure that they, too, receive
+or can get the source code.  And you must show them these terms so they
+know their rights.
+
+  Developers that use the GNU GPL protect your rights with two steps:
+(1) assert copyright on the software, and (2) offer you this License
+giving you legal permission to copy, distribute and/or modify it.
+
+  For the developers' and authors' protection, the GPL clearly explains
+that there is no warranty for this free software.  For both users' and
+authors' sake, the GPL requires that modified versions be marked as
+changed, so that their problems will not be attributed erroneously to
+authors of previous versions.
+
+  Some devices are designed to deny users access to install or run
+modified versions of the software inside them, although the manufacturer
+can do so.  This is fundamentally incompatible with the aim of
+protecting users' freedom to change the software.  The systematic
+pattern of such abuse occurs in the area of products for individuals to
+use, which is precisely where it is most unacceptable.  Therefore, we
+have designed this version of the GPL to prohibit the practice for those
+products.  If such problems arise substantially in other domains, we
+stand ready to extend this provision to those domains in future versions
+of the GPL, as needed to protect the freedom of users.
+
+  Finally, every program is threatened constantly by software patents.
+States should not allow patents to restrict development and use of
+software on general-purpose computers, but in those that do, we wish to
+avoid the special danger that patents applied to a free program could
+make it effectively proprietary.  To prevent this, the GPL assures that
+patents cannot be used to render the program non-free.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+                       TERMS AND CONDITIONS
+
+  0. Definitions.
+
+  "This License" refers to version 3 of the GNU General Public License.
+
+  "Copyright" also means copyright-like laws that apply to other kinds of
+works, such as semiconductor masks.
+
+  "The Program" refers to any copyrightable work licensed under this
+License.  Each licensee is addressed as "you".  "Licensees" and
+"recipients" may be individuals or organizations.
+
+  To "modify" a work means to copy from or adapt all or part of the work
+in a fashion requiring copyright permission, other than the making of an
+exact copy.  The resulting work is called a "modified version" of the
+earlier work or a work "based on" the earlier work.
+
+  A "covered work" means either the unmodified Program or a work based
+on the Program.
+
+  To "propagate" a work means to do anything with it that, without
+permission, would make you directly or secondarily liable for
+infringement under applicable copyright law, except executing it on a
+computer or modifying a private copy.  Propagation includes copying,
+distribution (with or without modification), making available to the
+public, and in some countries other activities as well.
+
+  To "convey" a work means any kind of propagation that enables other
+parties to make or receive copies.  Mere interaction with a user through
+a computer network, with no transfer of a copy, is not conveying.
+
+  An interactive user interface displays "Appropriate Legal Notices"
+to the extent that it includes a convenient and prominently visible
+feature that (1) displays an appropriate copyright notice, and (2)
+tells the user that there is no warranty for the work (except to the
+extent that warranties are provided), that licensees may convey the
+work under this License, and how to view a copy of this License.  If
+the interface presents a list of user commands or options, such as a
+menu, a prominent item in the list meets this criterion.
+
+  1. Source Code.
+
+  The "source code" for a work means the preferred form of the work
+for making modifications to it.  "Object code" means any non-source
+form of a work.
+
+  A "Standard Interface" means an interface that either is an official
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+
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+than the work as a whole, that (a) is included in the normal form of
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+Major Component, or to implement a Standard Interface for which an
+implementation is available to the public in source code form.  A
+"Major Component", in this context, means a major essential component
+(kernel, window system, and so on) of the specific operating system
+(if any) on which the executable work runs, or a compiler used to
+produce the work, or an object code interpreter used to run it.
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+  The "Corresponding Source" for a work in object code form means all
+the source code needed to generate, install, and (for an executable
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+includes interface definition files associated with source files for
+the work, and the source code for shared libraries and dynamically
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+subprograms and other parts of the work.
+
+  The Corresponding Source need not include anything that users
+can regenerate automatically from other parts of the Corresponding
+Source.
+
+  The Corresponding Source for a work in source code form is that
+same work.
+
+  2. Basic Permissions.
+
+  All rights granted under this License are granted for the term of
+copyright on the Program, and are irrevocable provided the stated
+conditions are met.  This License explicitly affirms your unlimited
+permission to run the unmodified Program.  The output from running a
+covered work is covered by this License only if the output, given its
+content, constitutes a covered work.  This License acknowledges your
+rights of fair use or other equivalent, as provided by copyright law.
+
+  You may make, run and propagate covered works that you do not
+convey, without conditions so long as your license otherwise remains
+in force.  You may convey covered works to others for the sole purpose
+of having them make modifications exclusively for you, or provide you
+with facilities for running those works, provided that you comply with
+the terms of this License in conveying all material for which you do
+not control copyright.  Those thus making or running the covered works
+for you must do so exclusively on your behalf, under your direction
+and control, on terms that prohibit them from making any copies of
+your copyrighted material outside their relationship with you.
+
+  Conveying under any other circumstances is permitted solely under
+the conditions stated below.  Sublicensing is not allowed; section 10
+makes it unnecessary.
+
+  3. Protecting Users' Legal Rights From Anti-Circumvention Law.
+
+  No covered work shall be deemed part of an effective technological
+measure under any applicable law fulfilling obligations under article
+11 of the WIPO copyright treaty adopted on 20 December 1996, or
+similar laws prohibiting or restricting circumvention of such
+measures.
+
+  When you convey a covered work, you waive any legal power to forbid
+circumvention of technological measures to the extent such circumvention
+is effected by exercising rights under this License with respect to
+the covered work, and you disclaim any intention to limit operation or
+modification of the work as a means of enforcing, against the work's
+users, your or third parties' legal rights to forbid circumvention of
+technological measures.
+
+  4. Conveying Verbatim Copies.
+
+  You may convey verbatim copies of the Program's source code as you
+receive it, in any medium, provided that you conspicuously and
+appropriately publish on each copy an appropriate copyright notice;
+keep intact all notices stating that this License and any
+non-permissive terms added in accord with section 7 apply to the code;
+keep intact all notices of the absence of any warranty; and give all
+recipients a copy of this License along with the Program.
+
+  You may charge any price or no price for each copy that you convey,
+and you may offer support or warranty protection for a fee.
+
+  5. Conveying Modified Source Versions.
+
+  You may convey a work based on the Program, or the modifications to
+produce it from the Program, in the form of source code under the
+terms of section 4, provided that you also meet all of these conditions:
+
+    a) The work must carry prominent notices stating that you modified
+    it, and giving a relevant date.
+
+    b) The work must carry prominent notices stating that it is
+    released under this License and any conditions added under section
+    7.  This requirement modifies the requirement in section 4 to
+    "keep intact all notices".
+
+    c) You must license the entire work, as a whole, under this
+    License to anyone who comes into possession of a copy.  This
+    License will therefore apply, along with any applicable section 7
+    additional terms, to the whole of the work, and all its parts,
+    regardless of how they are packaged.  This License gives no
+    permission to license the work in any other way, but it does not
+    invalidate such permission if you have separately received it.
+
+    d) If the work has interactive user interfaces, each must display
+    Appropriate Legal Notices; however, if the Program has interactive
+    interfaces that do not display Appropriate Legal Notices, your
+    work need not make them do so.
+
+  A compilation of a covered work with other separate and independent
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+
+  "Additional permissions" are terms that supplement the terms of this
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+Additional permissions that are applicable to the entire Program shall
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+  All other non-permissive additional terms are considered "further
+restrictions" within the meaning of section 10.  If the Program as you
+received it, or any part of it, contains a notice stating that it is
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+
+  Additional terms, permissive or non-permissive, may be stated in the
+form of a separately written license, or stated as exceptions;
+the above requirements apply either way.
+
+  8. Termination.
+
+  You may not propagate or modify a covered work except as expressly
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+this License (including any patent licenses granted under the third
+paragraph of section 11).
+
+  However, if you cease all violation of this License, then your
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+your receipt of the notice.
+
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+
+  9. Acceptance Not Required for Having Copies.
+
+  You are not required to accept this License in order to receive or
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+occurring solely as a consequence of using peer-to-peer transmission
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+covered work, you indicate your acceptance of this License to do so.
+
+  10. Automatic Licensing of Downstream Recipients.
+
+  Each time you convey a covered work, the recipient automatically
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+  An "entity transaction" is a transaction transferring control of an
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+any patent claim is infringed by making, using, selling, offering for
+sale, or importing the Program or any portion of it.
+
+  11. Patents.
+
+  A "contributor" is a copyright holder who authorizes use under this
+License of the Program or a work on which the Program is based.  The
+work thus licensed is called the contributor's "contributor version".
+
+  A contributor's "essential patent claims" are all patent claims
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+
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+patent license under the contributor's essential patent claims, to
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+  In the following three paragraphs, a "patent license" is any express
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+(such as an express permission to practice a patent or covenant not to
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+party means to make such an agreement or commitment not to enforce a
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+
+  If you convey a covered work, knowingly relying on a patent license,
+and the Corresponding Source of the work is not available for anyone
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+available, or (2) arrange to deprive yourself of the benefit of the
+patent license for this particular work, or (3) arrange, in a manner
+consistent with the requirements of this License, to extend the patent
+license to downstream recipients.  "Knowingly relying" means you have
+actual knowledge that, but for the patent license, your conveying the
+covered work in a country, or your recipient's use of the covered work
+in a country, would infringe one or more identifiable patents in that
+country that you have reason to believe are valid.
+
+  If, pursuant to or in connection with a single transaction or
+arrangement, you convey, or propagate by procuring conveyance of, a
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+receiving the covered work authorizing them to use, propagate, modify
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+you grant is automatically extended to all recipients of the covered
+work and works based on it.
+
+  A patent license is "discriminatory" if it does not include within
+the scope of its coverage, prohibits the exercise of, or is
+conditioned on the non-exercise of one or more of the rights that are
+specifically granted under this License.  You may not convey a covered
+work if you are a party to an arrangement with a third party that is
+in the business of distributing software, under which you make payment
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+contain the covered work, unless you entered into that arrangement,
+or that patent license was granted, prior to 28 March 2007.
+
+  Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+  12. No Surrender of Others' Freedom.
+
+  If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot convey a
+covered work so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you may
+not convey it at all.  For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+  13. Use with the GNU Affero General Public License.
+
+  Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
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+License will continue to apply to the part which is the covered work,
+but the special requirements of the GNU Affero General Public License,
+section 13, concerning interaction through a network will apply to the
+combination as such.
+
+  14. Revised Versions of this License.
+
+  The Free Software Foundation may publish revised and/or new versions of
+the GNU General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+  Each version is given a distinguishing version number.  If the
+Program specifies that a certain numbered version of the GNU General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
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+  16. Limitation of Liability.
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+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
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+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<https://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<https://www.gnu.org/licenses/why-not-lgpl.html>.
+
+---
+
+For commercial licensing inquiries, contact: william@fstopify.com
diff --git a/certifiable-build/Makefile.template b/certifiable-build/Makefile.template
new file mode 100644
index 0000000..3093b98
--- /dev/null
+++ b/certifiable-build/Makefile.template
@@ -0,0 +1,63 @@
+EXES :=
+DIST :=
+
+# Versioning
+VERSION ?= $(shell (git describe --tags 2>/dev/null || echo "develop") | sed 's/^v//')
+REVISION ?= $(shell git rev-parse --short HEAD)
+
+export VERSION
+export REVISION
+
+# Build configuration (overrideable)
+# build2 requires out-of-source builds. Default to parent directory with compiler suffix.
+SRCDIR := $(notdir $(CURDIR))
+SCRIPTS_DIR ?= ./certifiable-build/scripts
+BUILD_DIR ?= ../build2/$(SRCDIR)-default
+BUILD_TYPE ?= release
+PREFIX ?= /usr/local
+
+# Export for scripts
+export BUILD_DIR
+export BUILD_TYPE
+export PREFIX
+
+.PHONY: all help setup start-tt config build test install package release clean
+
+all: config build test
+
+##@ Dependencies
+setup: ## Setup project
+	$(SCRIPTS_DIR)/setup.sh
+
+##@ Development
+config: ## Configure the build
+	$(SCRIPTS_DIR)/config.sh
+
+build: ## Build the project
+	$(SCRIPTS_DIR)/build.sh
+
+start-tt: ## Start the Tenstorrent container
+	$(SCRIPTS_DIR)/start-tt.sh
+
+##@ Testing
+test: ## Run tests
+	$(SCRIPTS_DIR)/test.sh
+
+##@ Project Management
+install: build ## Install the project
+	$(SCRIPTS_DIR)/install.sh
+
+package: ## Build release artifacts
+	$(SCRIPTS_DIR)/package.sh
+
+release: ## Publish release artifacts
+	$(SCRIPTS_DIR)/release.sh
+
+##@ Maintenance
+clean: ## Remove all build artifacts
+	$(SCRIPTS_DIR)/clean.sh
+
+##@ Documentation
+help: ## Display this help
+	@awk 'BEGIN {FS = ":.*##"; printf "Makefile Usage:\n  make \033[36m<target>\033[0m\n"} /^[.a-zA-Z_-]+:.*?##/ { printf "  \033[36m%-15s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)
+
diff --git a/certifiable-build/README.md b/certifiable-build/README.md
new file mode 100644
index 0000000..357e748
--- /dev/null
+++ b/certifiable-build/README.md
@@ -0,0 +1,51 @@
+# Certifiable Build
+
+This repository contains the build infrastructure that supports the [build2](https://www.build2.org) tools for developers and CI systems like GitHub Actions for projects in this organization.
+
+The repository is included via `git subtree` in the individual component repositories.
+
+## Building Components
+
+All components are built using the same four step process:
+
+1. `make setup` installs the compilers and build2 tools;
+1. `make config` configures the source code for building;
+1. `make build` builds the source code into artifacts;
+1. `make test` runs the tests for the component.
+
+If you wish, you can skip the `make setup` step and install the required C/C++ compilers and build2 tools yourself.
+
+## License
+
+**Dual Licensed:**
+
+* **Open Source:** GNU General Public License v3.0 (GPLv3)
+* **Commercial:** Available for proprietary use in safety-critical systems
+
+For commercial licensing and compliance documentation packages, contact below.
+
+## Patent Protection
+
+This implementation is built on the **Murray Deterministic Computing Platform (MDCP)**,
+protected by UK Patent **GB2521625.0**.
+
+For commercial licensing inquiries: william@fstopify.com
+
+## About
+
+Built by **SpeyTech** in the Scottish Highlands.
+
+30 years of UNIX infrastructure experience applied to deterministic computing for safety-critical systems.
+
+Patent: UK GB2521625.0 - Murray Deterministic Computing Platform (MDCP)
+
+**Contact:**
+William Murray
+william@fstopify.com
+[speytech.com](https://speytech.com)
+
+---
+
+*Building deterministic AI systems for when lives depend on the answer.*
+
+Copyright © 2026 The Murray Family Innovation Trust. All rights reserved.
diff --git a/certifiable-build/etc/lima/tt-metal-dev.yaml b/certifiable-build/etc/lima/tt-metal-dev.yaml
new file mode 100644
index 0000000..7f6b48e
--- /dev/null
+++ b/certifiable-build/etc/lima/tt-metal-dev.yaml
@@ -0,0 +1,21 @@
+# certifiable-build/etc/lima/tt-metal-dev.yaml
+vmType: "qemu"
+arch: "x86_64"
+plain: true
+base:
+  - template://_images/ubuntu
+images:
+  - location: "ghcr.io/tenstorrent/tt-metal/tt-metalium/ubuntu-22.04-dev-amd64:d6958801d86fe1e20a07f2be7795fac0b2c9b211"
+    arch: x86_64
+
+cpus: 8
+memory: "16GiB"
+disk: "80GiB"
+
+mounts:
+  - location: "~"
+    writable: true
+
+containerd:
+  system: false
+  user: false
diff --git a/certifiable-build/github/workflows/ci.yml b/certifiable-build/github/workflows/ci.yml
new file mode 100644
index 0000000..a688531
--- /dev/null
+++ b/certifiable-build/github/workflows/ci.yml
@@ -0,0 +1,24 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ci-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    uses: vivarium-ai/certifiable-github/.github/workflows/ci.yml@master
+    with:
+      build-target: certifiable-inference
+
+  tt-build:
+    uses: vivarium-ai/certifiable-github/.github/workflows/tt-ci.yml@master
+    with:
+      build-target: certifiable-inference
+      tt_dev_image: ghcr.io/tenstorrent/tt-metal/tt-metalium/ubuntu-22.04-dev-amd64:d6958801d86fe1e20a07f2be7795fac0b2c9b211
diff --git a/certifiable-build/scripts/build.sh b/certifiable-build/scripts/build.sh
new file mode 100755
index 0000000..98aac7d
--- /dev/null
+++ b/certifiable-build/scripts/build.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+set -eu
+
+SCRIPT_DIR=$(CDPATH='' cd -- "$(dirname "$0")" && pwd)
+REPO_ROOT=$(CDPATH='' cd -- "$SCRIPT_DIR/../.." && pwd)
+cd "$REPO_ROOT"
+
+BDEP=${BDEP:-bdep}
+
+"$BDEP" update -a @clang @gcc
diff --git a/certifiable-build/scripts/clean.sh b/certifiable-build/scripts/clean.sh
new file mode 100755
index 0000000..0d7ee7b
--- /dev/null
+++ b/certifiable-build/scripts/clean.sh
@@ -0,0 +1,69 @@
+#!/bin/sh
+set -eu
+
+usage() {
+  code=${1:-1}
+  cat <<EOF
+Usage: $(basename "$0") [@clang] [@gcc] [...]
+
+Cleans build artifacts for the specified bdep configurations, without
+removing configuration state.
+
+Defaults to: @clang @gcc
+
+Environment:
+  PROJECT       Project name (default: basename of repo root)
+  BDEP          bdep command (default: bdep)
+  CONFIGS_ROOT  Base configs dir (default: ../build2/configs)
+EOF
+  exit "$code"
+}
+
+SCRIPT_DIR=$(CDPATH='' cd -- "$(dirname "$0")" && pwd)
+REPO_ROOT=$(CDPATH='' cd -- "$SCRIPT_DIR/../.." && pwd)
+cd "$REPO_ROOT"
+
+PROJECT=${PROJECT:-$(basename "$REPO_ROOT")}
+BDEP=${BDEP:-bdep}
+CONFIGS_ROOT=${CONFIGS_ROOT:-../build2/configs}
+
+case "${1:-}" in
+  -h|--help)
+    usage 0
+    ;;
+esac
+
+if [ "$#" -eq 0 ]; then
+  set -- @clang @gcc
+fi
+
+clang_dir="${CONFIGS_ROOT}/${PROJECT}-clang"
+gcc_dir="${CONFIGS_ROOT}/${PROJECT}-gcc"
+
+missing=""
+
+for cfg in "$@"; do
+  case "$cfg" in
+    @clang)
+      if [ ! -d "$clang_dir" ]; then
+        missing="${missing} @clang(${clang_dir})"
+      fi
+      ;;
+    @gcc)
+      if [ ! -d "$gcc_dir" ]; then
+        missing="${missing} @gcc(${gcc_dir})"
+      fi
+      ;;
+  esac
+done
+
+if [ -n "$missing" ]; then
+  echo "Warning: missing config directories:${missing}"
+  echo "Nothing to clean for missing configs; continuing with any that exist."
+fi
+
+echo "Cleaning build artifacts for configs: $*"
+# Cleans build outputs, preserves configuration state.
+"$BDEP" clean -a "$@"
+
+echo "Clean complete."
diff --git a/certifiable-build/scripts/config.sh b/certifiable-build/scripts/config.sh
new file mode 100755
index 0000000..81988a8
--- /dev/null
+++ b/certifiable-build/scripts/config.sh
@@ -0,0 +1,62 @@
+#!/bin/sh
+set -eux
+
+usage() {
+  code=${1:-1}
+  cat <<EOF
+Usage: $(basename "$0") [BUILD_TYPE]
+
+Defaults:
+  BUILD_TYPE: release
+
+Environment:
+  PREFIX       Install prefix (default: /usr/local)
+  PROJECT      Project name (default: basename of repo root)
+  BDEP         bdep command (default: bdep)
+  CONFIGS_ROOT Base configs dir (default: ../build2/configs)
+EOF
+  exit "$code"
+}
+
+case "${1:-}" in
+  -h|--help) usage 0 ;;
+esac
+
+SCRIPT_DIR=$(CDPATH='' cd -- "$(dirname "$0")" && pwd)
+REPO_ROOT=$(CDPATH='' cd -- "$SCRIPT_DIR/../.." && pwd)
+cd "$REPO_ROOT"
+
+PROJECT=${PROJECT:-$(basename "$REPO_ROOT")}
+BDEP=${BDEP:-bdep}
+CONFIGS_ROOT=${CONFIGS_ROOT:-../build2/configs}
+BUILD_TYPE=${1:-${BUILD_TYPE:-release}}
+PREFIX=${PREFIX:-/usr/local}
+
+CC_GCC="$(command -v gcc)"
+CXX_GCC="$(command -v g++)"
+CC_CLANG="$(command -v clang)"
+CXX_CLANG="$(command -v clang++)"
+
+# There is an extremely weird bug seen on GitHub default runners
+if [ -n "${GITHUB_WORKSPACE:-}" ]; then
+  ln -sf "$CC_GCC" /usr/local/bin/gcc-11
+fi
+
+clang_dir="${CONFIGS_ROOT}/${PROJECT}-clang"
+gcc_dir="${CONFIGS_ROOT}/${PROJECT}-gcc"
+
+mkdir -p "$CONFIGS_ROOT"
+
+"$BDEP" deinit --force -a @gcc >/dev/null 2>&1 || true
+"$BDEP" deinit --force -a @clang >/dev/null 2>&1 || true
+"$BDEP" config remove @gcc >/dev/null 2>&1 || true
+"$BDEP" config remove @clang >/dev/null 2>&1 || true
+
+"$BDEP" --no-default-options init --wipe -C "$clang_dir" @clang cc \
+  "config.c=$CC_CLANG" "config.cxx=$CXX_CLANG" \
+  "config.config.mode=$BUILD_TYPE" \
+  "config.install.root=$PREFIX"
+
+"$BDEP" --no-default-options init --wipe -C "$gcc_dir" @gcc cc \
+  "config.c=$CC_GCC" "config.cxx=$CXX_GCC" \
+  "config.config.mode=$BUILD_TYPE"
diff --git a/certifiable-build/scripts/install.sh b/certifiable-build/scripts/install.sh
new file mode 100755
index 0000000..94a68e7
--- /dev/null
+++ b/certifiable-build/scripts/install.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+set -eu
+
+usage() {
+  cat <<EOF
+Usage: $(basename "$0") [BUILD_DIR] [PREFIX]
+  BUILD_DIR: Build directory (env: BUILD_DIR, default: ../<srcdir>-gcc)
+  PREFIX:    Install prefix (env: PREFIX, default: /usr/local)
+EOF
+  exit 1
+}
+
+cd "$(dirname "$0")/../.." || exit 1
+SRCDIR="$(basename "$(pwd)")"
+BUILD_DIR="${1:-${BUILD_DIR:-../$SRCDIR-gcc}}"
+PREFIX="${2:-${PREFIX:-/usr/local}}"
+B="${B:-b}"
+
+[ -d "$BUILD_DIR" ] || { echo "Build directory not found. Run build first."; exit 1; }
+
+echo "Installing to $PREFIX..."
+"$B" install: "$BUILD_DIR" \
+  "config.install.root=$PREFIX"
diff --git a/certifiable-build/scripts/package.sh b/certifiable-build/scripts/package.sh
new file mode 100755
index 0000000..58dda3b
--- /dev/null
+++ b/certifiable-build/scripts/package.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+set -eu
+
+usage() {
+  cat <<EOF
+Usage: $(basename "$0") [BUILD_DIR] [VERSION] [REVISION]
+  BUILD_DIR: Build directory (env: BUILD_DIR, default: ../<srcdir>-gcc)
+  VERSION:   Package version (env: VERSION, required)
+  REVISION:  Package revision (env: REVISION, required)
+EOF
+  exit 1
+}
+
+cd "$(dirname "$0")/../.." || exit 1
+SRCDIR="$(basename "$(pwd)")"
+BUILD_DIR="${1:-${BUILD_DIR:-../$SRCDIR-gcc}}"
+VERSION="${2:-${VERSION:-}}"
+REVISION="${3:-${REVISION:-}}"
+
+[ -z "$VERSION" ] && usage
+[ -z "$REVISION" ] && usage
+[ -d "$BUILD_DIR" ] || { echo "Build directory not found. Run build first."; exit 1; }
+
+echo "Creating package $VERSION-$REVISION..."
+# Add packaging logic here
+echo "Package created."
diff --git a/certifiable-build/scripts/release.sh b/certifiable-build/scripts/release.sh
new file mode 100755
index 0000000..7b8c8a0
--- /dev/null
+++ b/certifiable-build/scripts/release.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+set -eu
+
+usage() {
+  cat <<EOF
+Usage: $(basename "$0") [VERSION]
+  VERSION: Release version (env: VERSION, required)
+EOF
+  exit 1
+}
+
+VERSION="${1:-${VERSION:-}}"
+
+[ -z "$VERSION" ] && usage
+
+echo "Publishing release $VERSION..."
+# Add release logic here
+echo "Release published."
diff --git a/certifiable-build/scripts/setup.sh b/certifiable-build/scripts/setup.sh
new file mode 100755
index 0000000..17f02f2
--- /dev/null
+++ b/certifiable-build/scripts/setup.sh
@@ -0,0 +1,47 @@
+#!/bin/sh
+set -eu
+
+OS="$(uname -s)"
+
+if command -v brew >/dev/null 2>&1; then
+  echo "Homebrew already installed."
+else
+  NONINTERACTIVE=1 /bin/bash -c \
+    "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
+
+  case "$OS" in
+    Linux)
+      test -d ~/.linuxbrew && eval "$(~/.linuxbrew/bin/brew shellenv)"
+      test -d /home/linuxbrew/.linuxbrew && eval "$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)"
+      echo "eval \"\$($(brew --prefix)/bin/brew shellenv)\"" >> ~/.bashrc
+      ;;
+    Darwin)
+      if [ -x /opt/homebrew/bin/brew ]; then
+        eval "$(/opt/homebrew/bin/brew shellenv)"
+        return 0
+      elif [ -x /usr/local/bin/brew ]; then
+        eval "$(/usr/local/bin/brew shellenv)"
+        return 0
+      fi
+      ;;
+    *)
+      echo "Unsupported OS: $OS"
+      exit 1
+      ;;
+  esac
+fi
+
+echo "Homebrew version:"
+brew --version
+
+brew update
+brew install --overwrite --force gcc llvm build2
+brew link --overwrite --force gcc llvm build2
+
+gcc --version
+g++ --version
+clang --version
+clang++ --version
+bdep --version
+
+echo "System dependencies installed successfully."
diff --git a/certifiable-build/scripts/start-tt.sh b/certifiable-build/scripts/start-tt.sh
new file mode 100755
index 0000000..c52f3f6
--- /dev/null
+++ b/certifiable-build/scripts/start-tt.sh
@@ -0,0 +1,136 @@
+#!/bin/sh
+set -eu
+
+# Optional env:
+#   TT_RUNTIME=lima|podman|docker   (force runtime selection)
+#   TT_LIMA_INSTANCE=tt-metal-dev   (override Lima instance name)
+#   TT_LIMA_CONFIG=path/to/yaml     (override Lima config file)
+#   TT_IMAGE=ghcr.io/...:tag        (override container image)
+
+echo "Starting TT environment…"
+
+# Resolve repo root (prefer git, fall back to current directory)
+if command -v git >/dev/null 2>&1 && git rev-parse --show-toplevel >/dev/null 2>&1; then
+  REPO_ROOT="$(git rev-parse --show-toplevel)"
+else
+  REPO_ROOT="$(pwd)"
+fi
+
+# Normalize REPO_ROOT (best-effort)
+# shellcheck disable=SC2164
+cd "$REPO_ROOT"
+REPO_ROOT="$(pwd)"
+
+IMAGE_DEFAULT="ghcr.io/tenstorrent/tt-metal/tt-metalium/ubuntu-22.04-dev-amd64:d6958801d86fe1e20a07f2be7795fac0b2c9b211"
+TT_IMAGE="${TT_IMAGE:-$IMAGE_DEFAULT}"
+
+OS="$(uname -s)"
+
+TT_LIMA_INSTANCE="${TT_LIMA_INSTANCE:-tt-metal-dev}"
+TT_LIMA_CONFIG="${TT_LIMA_CONFIG:-certifiable-build/etc/lima/tt-metal-dev.yaml}"
+
+# Choose runtime
+choose_runtime() {
+  # If user forced it, obey.
+  if [ "${TT_RUNTIME:-}" != "" ]; then
+    echo "$TT_RUNTIME"
+    return
+  fi
+
+  case "$OS" in
+    Darwin)
+      # Default to Lima on macOS.
+      echo "lima"
+      ;;
+    Linux)
+      if command -v podman >/dev/null 2>&1; then
+        echo "podman"
+      elif command -v docker >/dev/null 2>&1; then
+        echo "docker"
+      else
+        echo "none"
+      fi
+      ;;
+    *)
+      echo "none"
+      ;;
+  esac
+}
+
+RUNTIME="$(choose_runtime)"
+
+run_container() {
+  runtime="$1"
+
+  if ! command -v "$runtime" >/dev/null 2>&1; then
+    echo "Error: requested runtime '$runtime' not found in PATH."
+    exit 1
+  fi
+
+  # Pick a sensible interactive shell inside the container.
+  # Most of these images have bash; fall back to sh if not.
+  SHELL_CMD='if command -v bash >/dev/null 2>&1; then exec bash -l; else exec sh -l; fi'
+
+  echo "Using $runtime to run container:"
+  echo "  Image: $TT_IMAGE"
+  echo "  Repo:  $REPO_ROOT"
+
+  # --userns=keep-id helps on podman (Linux); harmless or ignored elsewhere.
+  # We do NOT set --user because macOS Docker Desktop file permissions are quirky;
+  # on Linux you can add it later if you care.
+  exec "$runtime" run --rm -it \
+    -v "$REPO_ROOT:$REPO_ROOT" \
+    -w "$REPO_ROOT" \
+    --userns=keep-id \
+    "$TT_IMAGE" \
+    sh -lc "$SHELL_CMD"
+}
+
+run_lima() {
+  if ! command -v limactl >/dev/null 2>&1; then
+    echo "Error: limactl not found. Install Lima (e.g., brew install lima)."
+    exit 1
+  fi
+
+  if [ ! -f "$TT_LIMA_CONFIG" ]; then
+    echo "Error: Lima config not found at: $TT_LIMA_CONFIG"
+    echo "Set TT_LIMA_CONFIG to the correct path."
+    exit 1
+  fi
+
+  # Create/start instance if needed.
+  if limactl list -q | grep -Fx "$TT_LIMA_INSTANCE" >/dev/null 2>&1; then
+    : # instance exists
+  else
+    echo "Creating Lima instance '$TT_LIMA_INSTANCE' from $TT_LIMA_CONFIG…"
+    limactl create --name="$TT_LIMA_INSTANCE" "$TT_LIMA_CONFIG"
+  fi
+
+  echo "Starting Lima instance '$TT_LIMA_INSTANCE'…"
+  limactl start "$TT_LIMA_INSTANCE" >/dev/null
+
+  # Drop into an interactive shell, cd to repo root.
+  # Note: With your current Lima YAML (containerd disabled), this lands you in the VM.
+  # If you truly want "container inside Lima", enable containerd or run a container runtime in the VM.
+  echo "Entering Lima shell (VM) at repo root: $REPO_ROOT"
+  exec limactl shell "$TT_LIMA_INSTANCE" -- sh -lc "cd '$REPO_ROOT' && if command -v bash >/dev/null 2>&1; then exec bash -l; else exec sh -l; fi"
+}
+
+case "$RUNTIME" in
+  docker|podman)
+    run_container "$RUNTIME"
+    ;;
+  lima)
+    # If user set TT_RUNTIME=docker/podman, they get a container on macOS too.
+    run_lima
+    ;;
+  none)
+    echo "Unsupported or missing runtime on OS '$OS'."
+    echo "On Linux install podman or docker. On macOS install lima (or set TT_RUNTIME=docker/podman if you insist)."
+    exit 1
+    ;;
+  *)
+    echo "Error: unknown TT_RUNTIME='$RUNTIME' (expected lima|docker|podman)."
+    exit 1
+    ;;
+esac
diff --git a/certifiable-build/scripts/test.sh b/certifiable-build/scripts/test.sh
new file mode 100755
index 0000000..ee46bf5
--- /dev/null
+++ b/certifiable-build/scripts/test.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+set -eu
+
+SCRIPT_DIR=$(CDPATH='' cd -- "$(dirname "$0")" && pwd)
+REPO_ROOT=$(CDPATH='' cd -- "$SCRIPT_DIR/../.." && pwd)
+cd "$REPO_ROOT"
+
+BDEP=${BDEP:-bdep}
+
+"$BDEP" test -a @clang @gcc
diff --git a/examples/buildfile b/examples/buildfile
new file mode 100644
index 0000000..0b9c934
--- /dev/null
+++ b/examples/buildfile
@@ -0,0 +1,15 @@
+exes = exe{xor_gate edge_detection debug_conv debug_pool}
+
+$exes:
+{
+  install = bin/certifiable-inference/
+}
+
+./: ../src/
+
+exe{xor_gate}: c{xor_gate} ../src/liba{certifiable_inference}
+exe{edge_detection}: c{edge_detection} ../src/liba{certifiable_inference}
+exe{debug_conv}: c{debug_conv} ../src/liba{certifiable_inference}
+exe{debug_pool}: c{debug_pool} ../src/liba{certifiable_inference}
+
+./: $exes
diff --git a/include/buildfile b/include/buildfile
new file mode 100644
index 0000000..9df861d
--- /dev/null
+++ b/include/buildfile
@@ -0,0 +1,23 @@
+intf_libs = # Interface dependencies.
+#import xxxx_libs += libhello%lib{hello}
+
+lib{certifiable-training}: h{**} $intf_libs
+
+# Export options.
+#
+out_pfx = [dir_path] $out_root/include/
+src_pfx = [dir_path] $src_root/include/
+
+lib{certifiable-training}:
+{
+  c.export.poptions = "-I$out_pfx" "-I$src_pfx"
+  c.export.libs = $intf_libs
+}
+
+# Install recreating subdirectories.
+#
+h{*}:
+{
+  install         = include/certifiable-inference/
+  install.subdirs = true
+}
diff --git a/manifest b/manifest
new file mode 100644
index 0000000..f9b96de
--- /dev/null
+++ b/manifest
@@ -0,0 +1,16 @@
+: 1
+name: certifiable-inference
+version: 0.1.0-a.0.z
+language: c
+project: certifiable-inference
+summary: Certifiable inference engine with deterministic behavior
+license: other: proprietary
+description-file: README.md
+url: https://github.com/SpeyTech/certifiable-inference
+package-url: https://github.com/SpeyTech/certifiable-inference
+build-error-email: william@fstopify.com
+builds: default
+builds: -windows
+builds: -binddist
+requires: * build2 >= 0.16.0
+requires: * bpkg >= 0.16.0
diff --git a/scripts/deps.sh b/scripts/deps.sh
deleted file mode 100755
index 46d8674..0000000
--- a/scripts/deps.sh
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-
-echo "Resolving system dependencies…"
-
-OS="$(uname -s)"
-
-case "$OS" in
-  Linux)
-    if command -v apt-get >/dev/null 2>&1; then
-      sudo apt-get update
-      sudo apt-get install -y --no-install-recommends \
-        build-essential \
-        cmake \
-        ninja-build \
-        ccache
-    else
-      echo "Unsupported Linux distro (apt-get not found)"
-      exit 1
-    fi
-    ;;
-  Darwin)
-    if ! command -v brew >/dev/null 2>&1; then
-      echo "Homebrew not found. Install from https://brew.sh first."
-      exit 1
-    fi
-    brew update
-    brew install cmake ninja ccache
-    ;;
-  *)
-    echo "Unsupported OS: $OS"
-    exit 1
-    ;;
-esac
-
-echo "System dependencies installed successfully."
diff --git a/src/buildfile b/src/buildfile
new file mode 100644
index 0000000..83fe71e
--- /dev/null
+++ b/src/buildfile
@@ -0,0 +1,9 @@
+liba{certifiable_inference}: \
+  c{**/**.c} \
+  h{../include/**.h}
+{
+  dist = true
+  export = true
+}
+
+./: liba{certifiable_inference}
diff --git a/tests/benchmarks/buildfile b/tests/benchmarks/buildfile
new file mode 100644
index 0000000..fd22f85
--- /dev/null
+++ b/tests/benchmarks/buildfile
@@ -0,0 +1,14 @@
+bench = exe{test_timing_consistency}
+
+$bench: c{test_timing_consistency} ../../src/liba{certifiable_inference}
+{
+  c.libs += -lm
+}
+
+$bench:
+{
+  install = false
+  test = true
+}
+
+./: $bench
diff --git a/tests/buildfile b/tests/buildfile
new file mode 100644
index 0000000..117600d
--- /dev/null
+++ b/tests/buildfile
@@ -0,0 +1,4 @@
+import unit = unit/
+import benchmarks = benchmarks/
+
+./: unit/ benchmarks/
diff --git a/tests/unit/buildfile b/tests/unit/buildfile
new file mode 100644
index 0000000..75740de
--- /dev/null
+++ b/tests/unit/buildfile
@@ -0,0 +1,18 @@
+tests = exe{test_activations test_convolution test_fixed_point test_hash_basic test_hash_consistency test_matrix_reproducibility test_pooling}
+
+exe{test_activations}: c{test_activations} ../../src/liba{certifiable_inference}
+exe{test_convolution}: c{test_convolution} ../../src/liba{certifiable_inference}
+exe{test_fixed_point}: c{test_fixed_point} ../../src/liba{certifiable_inference}
+exe{test_hash_basic}:  c{test_hash_basic} ../../src/liba{certifiable_inference}
+exe{test_hash_consistency}: c{test_hash_consistency} ../../src/liba{certifiable_inference}
+exe{test_matrix_reproducibility}: c{test_matrix_reproducibility} ../../src/liba{certifiable_inference}
+exe{test_pooling}: c{test_pooling} ../../src/liba{certifiable_inference}
+
+$tests:
+{
+  c.coptions += -UNDEBUG
+  install = false
+  test = true
+}
+
+./: $tests
diff --git a/tests/unit/test_fixed_point.c b/tests/unit/test_fixed_point.c
index c3fbd8c..2a83951 100644
--- a/tests/unit/test_fixed_point.c
+++ b/tests/unit/test_fixed_point.c
@@ -287,8 +287,8 @@ void test_random_torture(void) {
 
     for (int i = 0; i < 1000; i++) {
         /* Generate random values in safe range [-100, 100] */
-        float f_a = ((float)rand() / RAND_MAX) * 200.0f - 100.0f;
-        float f_b = ((float)rand() / RAND_MAX) * 200.0f - 100.0f;
+        float f_a = ((float)((double)rand() / (double)RAND_MAX)) * 200.0f - 100.0f;
+        float f_b = ((float)((double)rand() / (double)RAND_MAX)) * 200.0f - 100.0f;
 
         fixed_t a = fixed_from_float(f_a);
         fixed_t b = fixed_from_float(f_b);
diff --git a/tests/unit/testscript b/tests/unit/testscript
new file mode 100644
index 0000000..0ef879b
--- /dev/null
+++ b/tests/unit/testscript
@@ -0,0 +1,5 @@
+: test
+:
+$* >~%EOO%
+%(.*\n)*%
+EOO