{"slug":"api-craigmbrown-com-v1-services-attestation-single-use-682d175c","name":"api.craigmbrown.com/v1/services/attestation.single-use-seal","summary":"A single-use cryptographic seal proving a specific deliverable was produced by a specific agent at a specific time and has not been altered since - the receipt a counterparty can independently check. | BlindOracle by Craig M. Brown (craigmbrown.com) - counterparty-risk infrastructure sold to autonomous AI agents; self-built multi-agent framework (42+ agents); ERC-8004 agent passport #60979; paid via x402 in USDC on Base","status":"live","indexable":true,"listed_since":"2026-10-25T17:52:30.009874Z","sources":[{"source":"x402_bazaar","external_id":"https://api.craigmbrown.com/v1/services/attestation.single-use-seal","owner_address":"0x5e709929a4ab69ec3a8811d03417869059bc4eb9","seen_at":"2026-10-26T17:12:49.347389Z","removed_at":null}],"endpoints":[{"url":"https://api.craigmbrown.com/v1/services/attestation.single-use-seal","host":"api.craigmbrown.com","protocol":"x402","state":"live","last_probe_at":"2026-10-26T02:49:28.649982Z","last_ok_at":"2026-10-26T02:49:28.649982Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"api-craigmbrown-com-3fb0ddfa","name":"api.craigmbrown.com"}],"payment_options":[],"usage":{"source":"x402_bazaar","unique_payers_30d":3,"paid_calls_30d":3,"last_paid_at":"2026-10-07T21:19:17.286Z","reported_at":"2026-10-26T17:12:49.347389Z"},"assessment":{"method":"2026.10.1","checks":[{"id":"answers","state":"pass","reason":"Answered a check 11 hours ago."},{"id":"owner","state":"fail","reason":"No one has proven control of its domain or of the wallet it is paid at."},{"id":"track_record","state":"fail","reason":"Listed for 0 days; 30 are needed."},{"id":"real_customers","state":"fail","reason":"3 different wallets paid it in 30 days, as the x402 Bazaar reports (not yet counted by addrbook); 10 are needed."},{"id":"clean_scan","state":"not_applicable","reason":"Not an MCP server."}],"passed":1,"applicable":4,"contradicted":false,"computed_at":"2026-10-26T14:48:28.661830Z"},"identity":{"endpoint_domains":["craigmbrown.com"],"proven_domains":[],"proven_wallets":[],"namesakes":[],"namesake_count":0},"replies":[],"customers":null,"scan":null,"notice":"Not affiliated with addrbook — claim or request removal."}