What is Provenance Attestation?

Authenticated, machine-readable metadata that binds an artifact to claims about how, where, when, and from which inputs it was produced.

Why does Provenance Attestation matter?

It lets automated policy and reviewers verify supply-chain claims instead of trusting an unsigned build note.

Generate an attestation in the build system, bind it to artifact digests, sign it with a controlled identity, and verify it before release.

A signature identifies the attester and protects integrity; it does not prove that every claim inside the attestation is true.

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