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chimera-gfx-Public/docs/adr/0007-artifact-provenance.md
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ADR-0007: Artifact provenance is machine-readable and fail-closed

  • Status: accepted
  • Date: 2026-07-17

Decision

Every review or hardware candidate uses artifact-manifest schema version 1. The manifest binds filename, size, SHA-256, target, clean source commit, toolchain pins, optional SDL commit, firmware gate, and explicit non-execution state. Generation and verification are separate tested tools.

An artifact with firmware identifier NONE is never allowlisted. Any rebuild, including a firmware-specific rebuild, creates a new digest and therefore requires a new artifact-specific approval.