Why it matters

Model signing shapes integrity + provenance. Understanding shapes trust.

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The architecture

Publisher signs model + metadata.

Consumer verifies signature.

Tamper detection.

Model signing flowPublisher signkeypair or KMSSigstore / Cosignsign artifactConsumer verifybefore loadHuggingFace model signing initiative + Sigstore for model artifacts
Model signing.
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How it works end to end

Sigstore for keyless signing.

Cosign for OCI artifacts.

HF model signing initiative.

Integrate into CI.