Tag #model-signing 1 post tagged model-signing. ← All topics Defense Securing the ML Model Supply Chain: Provenance, Signing, and Verification Model weights are unauthenticated binaries that execute code on load. This is a practical guide to securing the ML supply chain with model signing, Sigstore, SLSA provenance, and load-time verification — with the failure modes that make scanning insufficient on its own. May 22, 2026