{"version":1,"name":"Proof402","description":"Proof402 lets autonomous agents pay for a signed timestamped proof that a result hash existed at a specific time, without sending private payloads to a public proof page.","resources":["POST https://proof402.vercel.app/api/proof/notarize"],"instructions":"Submit only a SHA-256 contentHash, label, optional non-secret metadata, and idempotencyKey. Satisfy the x402 Payment Required challenge, then verify the returned proof through /api/verify/proofs/{id}."}