Deterministic verification gate for agent execution and x402 settlement.
SAR (Settlement Attestation Receipt) is a verification protocol that produces cryptographically signed receipts proving whether an AI agent completed a task according to its specification. DefaultVerifier is a live SAR verifier implementation with a public receipt registry, metrics API, and explorer. If it matters—Verify it. Understand the SAR stack and verification model: "witness":…
Verification confirms publisher identity (repo ownership), not code safety. The security scan covers known CVEs and suspicious install scripts — it cannot prove the absence of malicious code.
SAR (Settlement Attestation Receipt) is a verification protocol that produces cryptographically signed receipts proving whether an AI agent completed a task according to its specification. DefaultVerifier is a live SAR verifier implementation with a public receipt registry, metrics API, and explorer. If it matters—Verify it. Understand the SAR stack and verification model: "witness": "SettlementWitness", "witnessversion": "v0", "verifierendpoint": " "witnesstimestamp": "2026-01-01T00:00:00Z",…