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Correct release attestation verification #15

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0xmrma merged 1 commit into from
Jul 15, 2026
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Correct release attestation verification #15

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23 changes: 19 additions & 4 deletions docs/RELEASE_SECURITY.md
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Expand Up @@ -18,14 +18,29 @@ code-owner approval; a sole maintainer cannot provide independent review.

## Verify a release

Install a current GitHub CLI, authenticate it, and verify the release before installation:
Install a current GitHub CLI, authenticate it, download both distributions, and verify their
GitHub-signed build provenance before installation:

```bash
gh release verify v0.4.0 -R 0xmrma/mrma
gh release download v0.4.0 -R 0xmrma/mrma --pattern 'mrma-0.4.0-py3-none-any.whl'
gh release verify-asset v0.4.0 ./mrma-0.4.0-py3-none-any.whl -R 0xmrma/mrma
gh release download v0.4.0 -R 0xmrma/mrma \
--pattern 'mrma-0.4.0-py3-none-any.whl' \
--pattern 'mrma-0.4.0.tar.gz'
gh attestation verify ./mrma-0.4.0-py3-none-any.whl \
-R 0xmrma/mrma \
--signer-workflow 0xmrma/mrma/.github/workflows/release.yml \
--source-ref refs/tags/v0.4.0
gh attestation verify ./mrma-0.4.0.tar.gz \
-R 0xmrma/mrma \
--signer-workflow 0xmrma/mrma/.github/workflows/release.yml \
--source-ref refs/tags/v0.4.0
```

Release v0.4.0 predates repository release-immutability enablement. Its protected signed tag and
artifact attestations are independently verifiable, but `gh release verify` and
`gh release verify-asset` require an immutable-release attestation and do not apply to v0.4.0.
Repository release immutability is enabled for subsequent releases, which receive that additional
release-level attestation when published.

Verify the container's GitHub-signed provenance and require the publishing workflow and tag ref:

```bash
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