{"slug":"exhibit402-dylan-caponi-workers-dev-capture-2bef3a","title":"Prove what a web page showed","host":"exhibit402.dylan-caponi.workers.dev","method":"POST","resource":"https://exhibit402.dylan-caponi.workers.dev/capture","category":"market","description":"Prove what a web page showed: verify completed work, freeze evidence for a dispute, certify a page before you rely on it. Two independent observers on separate networks capture your URL at one frozen instant: byte-identical is CERTIFIED; disagreement is WITNESSED with pixel agreement and diff map. S","price_listed":1.0,"price_asked":1.0,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":38,"reported_calls_30d":3,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"POST","queryParams":{"mode":"fullpage","url":"https://en.wikipedia.org/wiki/SHA-2"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["POST"],"type":"string"},"queryParams":{"properties":{"mode":{"description":"fullpage ($1.00, default) or viewport ($0.50, first 1280x800 screen only)","type":"string"},"url":{"description":"Public http(s) URL to capture","type":"string"}},"required":["url"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"check_after_seconds":{"type":"number"},"claim_url":{"type":"string"},"job_id":{"type":"string"},"note":{"type":"string"},"status":{"type":"string"}},"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-18","reachable":true,"status":402,"valid_402":true,"asked_usdc":1.0,"price_match":true,"latency_ms":38,"error":null}],"description_full":"Prove what a web page showed: verify completed work, freeze evidence for a dispute, certify a page before you rely on it. Two independent observers on separate networks capture your URL at one frozen instant: byte-identical is CERTIFIED; disagreement is WITNESSED with pixel agreement and diff map. Signed manifest, RFC 3161 timestamp, permanent Arweave storage; ERC-721 certificate minted to the paying wallet. $1.00 fullpage, $0.50 viewport. Free claim polling. Rejects refund minus $0.10.","last_updated":"2026-10-15T17:07:08.758Z","schemes":["exact"]}