Stage345 extends Stage344 by turning GitHub artifact verification readiness into actual artifact download verification.
Stage344 prepared GitHub artifact verification:
GitHub Actions Run
↓
Artifact Download preparation
↓
SHA256 verification readiness
↓
Stage343 independent verification connection
Stage345 performs the actual verification:
GitHub Run lookup
↓
Artifact Download
↓
Artifact SHA256
↓
Session Manifest SHA256
↓
GitHub Run Binding
↓
Independent Verification Report
↓
accept / reject
What Stage345 Adds
GitHub Actions run lookup
Artifact download from GitHub Actions
Downloaded artifact SHA256 map
Session manifest SHA256 verification
GitHub Actions run binding verification
Stage343 independent verification connection
Stage344 readiness check
accept / reject artifact verification decision
artifact_download_verification_report.json
artifact_download_verification_summary.txt
Public Files
docs/artifacts/artifact_download_verification_report.json
docs/artifacts/artifact_download_verification_summary.txt
docs/artifacts/github_artifact_verification_report.json
docs/verification/independent_verification_report.json
docs/session/session_manifest.json
Private / Ignored Files
The downloaded artifact directory is intentionally excluded from GitHub:
downloaded_stage345_artifact/
Safety Boundary
Stage345 does not publish:
private keys
attack code
dangerous prompts
exploit payloads
bypass procedures
automated attack logic
Meaning
Stage344 prepared artifact verification.
Stage345 performs actual artifact download verification.
This continues the Stage254 direction:
GitHub Actions run
↓
artifact download
↓
hash verification
↓
independent verification
License
MIT License
Copyright (c) 2025 Motohiro Suzuki