{"id":"f3200a3f-20a7-468d-adc5-378a9b0650ad","url":"https://exhibit402.dylan-caponi.workers.dev/verify?id=6","method":"GET","fingerprint":"90953c0cd8e5f4541883234b1738076365c83300599e49f6b01df7984fd26ccb","name":null,"description":null,"category":"other","docs_url":null,"advertised_price_usd":"0.020000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","scheme":"exact","networks":["eip155:8453"],"pay_to":"0x16B636328745E4e6086071B8Ff9f0C1C7DF9eB21","input_schema":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["id"],"properties":{"id":{"type":"string","description":"Certificate identifier: ERC-721 token id (digits), Arweave tx id (43 chars), or exhibit402 job id (uuid)"}}}},"additionalProperties":false},"output_schema":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"url":{"type":"string"},"note":{"type":"string"},"tier":{"type":"string"},"checks":{"type":"array"},"token_id":{"type":"string"},"verified":{"type":"boolean"}}}}},"schema_completeness":0,"status":"live","first_seen_at":"2026-08-23 22:34:39.593481+00","last_seen_at":"2026-08-23 22:34:38.284+00","last_success_at":"2026-09-14 16:29:59.778+00","dead_since":null,"probe_backoff_tier":0,"next_probe_at":"2026-09-14 16:34:59.778+00","search_tsv":"","catalog_number":"8111","x402_version":2,"resource_url":"https://exhibit402.dylan-caponi.workers.dev/verify?id=6","resource_description":"Re-verify any exhibit402 proof-of-publication certificate for $0.02. Pass id = ERC-721 token id, Arweave tx id, or job id. The service re-downloads the permanently stored screenshot and signed manifest, recomputes every SHA-256, and checks them against the manifest and the on-chain record (immutable screenshotSha256, tokenURI, owner). Returns a machine-readable verdict with per-check detail, so an agent can confirm a certificate is genuine without trusting the issuer.","bazaar_extension":{"info":{"input":{"type":"http","method":"GET","queryParams":{"id":"6"}},"output":{"type":"json","example":{"url":"https://en.wikipedia.org/wiki/SHA-2","note":"All stored bytes re-hashed to their recorded values.","tier":"CERTIFIED","checks":[{"name":"screenshot_hash","pass":true,"detail":"re-downloaded 4002928 bytes; SHA-256 matches the manifest"},{"name":"onchain_sha256","pass":true,"detail":"contract's immutable screenshotSha256 matches the manifest"}],"token_id":"6","verified":true}}},"schema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["id"],"properties":{"id":{"type":"string","description":"Certificate identifier: ERC-721 token id (digits), Arweave tx id (43 chars), or exhibit402 job id (uuid)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"url":{"type":"string"},"note":{"type":"string"},"tier":{"type":"string"},"checks":{"type":"array"},"token_id":{"type":"string"},"verified":{"type":"boolean"}}}}}}}},"accepted_requirements":[{"raw":{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x16B636328745E4e6086071B8Ff9f0C1C7DF9eB21","amount":"20000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300},"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0x16B636328745E4e6086071B8Ff9f0C1C7DF9eB21","scheme":"exact","network":"eip155:8453","amountAtomic":"20000"}],"bazaar_compatible":true,"bazaar_validated_at":"2026-09-14 16:29:59.778+00","bazaar_validation_error":null,"window":"24h","probes_n":4,"handshake_uptime":1,"settle_success_rate":0,"valid_result_rate":null,"latency_p50":1380,"latency_p90":3524,"price_drift_pct":0,"score":0.717,"computed_at":"2026-09-14 16:30:28.993+00","source_metadata":[{"raw":{"url":"https://exhibit402.dylan-caponi.workers.dev/verify?id=6","method":"GET","source":"bazaar:api.cdp.coinbase.com","fingerprint":"90953c0cd8e5f4541883234b1738076365c83300599e49f6b01df7984fd26ccb","advertisedPriceUsd":0.02},"source_id":1,"external_id":null}],"live_endpoint_metadata":{"x402_version":2,"resource_url":"https://exhibit402.dylan-caponi.workers.dev/verify?id=6","resource_description":"Re-verify any exhibit402 proof-of-publication certificate for $0.02. Pass id = ERC-721 token id, Arweave tx id, or job id. The service re-downloads the permanently stored screenshot and signed manifest, recomputes every SHA-256, and checks them against the manifest and the on-chain record (immutable screenshotSha256, tokenURI, owner). Returns a machine-readable verdict with per-check detail, so an agent can confirm a certificate is genuine without trusting the issuer.","bazaar_extension":{"info":{"input":{"type":"http","method":"GET","queryParams":{"id":"6"}},"output":{"type":"json","example":{"url":"https://en.wikipedia.org/wiki/SHA-2","note":"All stored bytes re-hashed to their recorded values.","tier":"CERTIFIED","checks":[{"name":"screenshot_hash","pass":true,"detail":"re-downloaded 4002928 bytes; SHA-256 matches the manifest"},{"name":"onchain_sha256","pass":true,"detail":"contract's immutable screenshotSha256 matches the manifest"}],"token_id":"6","verified":true}}},"schema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["id"],"properties":{"id":{"type":"string","description":"Certificate identifier: ERC-721 token id (digits), Arweave tx id (43 chars), or exhibit402 job id (uuid)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"url":{"type":"string"},"note":{"type":"string"},"tier":{"type":"string"},"checks":{"type":"array"},"token_id":{"type":"string"},"verified":{"type":"boolean"}}}}}}}},"accepted_requirements":[{"raw":{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x16B636328745E4e6086071B8Ff9f0C1C7DF9eB21","amount":"20000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300},"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0x16B636328745E4e6086071B8Ff9f0C1C7DF9eB21","scheme":"exact","network":"eip155:8453","amountAtomic":"20000"}],"bazaar_compatible":true,"bazaar_validated_at":"2026-09-14 16:29:59.778+00","bazaar_validation_error":null},"sonar_metrics":{"score":0.717,"uptime":1,"paid_success_rate":0,"valid_result_rate":null,"latency_p50":1380,"latency_p90":3524,"price_drift_pct":0},"cdp_indexed":false,"confidence":"low"}