{"status":"attested","page":"https://annalist.dev/check/csv-validator.mekler.ai","statement":{"type":"annalist.x402-check/v1","issuer":"https://annalist.dev","subject":{"host":"csv-validator.mekler.ai","pay_to":["9mMDrHabSf73MPn1ANdANSmsNw2wKiqE7JZ7eD6EUSRc"]},"issued_at":"2026-10-18T00:54:31Z","valid_until":"2026-10-25T00:54:31Z","grade":"B","score":75,"facts":{"probes_7d":3,"up_pct_7d":100,"usable_pct_7d":100,"rotating_pay_to":false,"payment_header_bytes":8886,"price_matches_listing":true,"wallet_matches_listing":true,"usage_window_days":6,"payments":null,"organic_payers":null,"test_purchases_paid":null,"test_purchases_delivered":null,"domain_age_days":21,"payout_wallet_sanctioned":false},"flags":["payment_header_too_large","new_domain"],"reasons":["+: answered 100% of our probes in 7 days","+: quoted price matches its listing","-15: its payment request header is 8.7 KB, over the 8 KB many HTTP clients accept by default (Python's aiohttp, for one), so some agents never see its price","!: paid on solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp; on-chain usage is measured on Base only (no points deducted)","-10: domain registered 21 days ago"],"method":"checks-4","evidence":{"bundle":"derived/checks/daily/2026/10/18/005431.json.gz","bundle_sha256":"b533ce733fa7ef8c210c3113f4637ddacc42d8dec2f1092b0554acef703fcd77","ledger":"https://github.com/ryanroskowski/annalist-ledger"}},"signature":"IqgmB33i0uHpVvgqCXkfPvdV6XhHHjFw8THJ2PlvNEtTKgtfSh-9tZpzKPMy9p75dgUaHF6orztQtwUbC6GbDw","key_id":"187e49f200625a2f","public_key_url":"https://api.annalist.dev/.well-known/annalist-key.json","how_to_verify":"Ed25519 signature (base64url) over the RFC 8785 canonical JSON of `statement`, checked with the public key at https://api.annalist.dev/.well-known/annalist-key.json (key_id must match). Then check valid_until. The evidence bundle's sha256 is in a signed manifest whose daily hash is in the public ledger."}