This deployment's record manifest is signed and entered in the Sigstore Rekor public transparency log (index 2859218371) - an append-only ledger the registry cannot rewrite.
Verify (no account needed):
cosign verify-blob --bundle checksums.bundle.json --certificate-identity-regexp 'github.com/piperoll/registry' --certificate-oidc-issuer https://token.actions.githubusercontent.com checksums.txt