{"status":"attested","page":"https://annalist.dev/check/security-check.solution-engine.com","statement":{"type":"annalist.x402-check/v1","issuer":"https://annalist.dev","subject":{"host":"security-check.solution-engine.com","pay_to":["0x3bf4f4914f78c3c2b2f2801f8ea717135b7d3bdf"]},"issued_at":"2026-11-13T00:53:05Z","valid_until":"2026-11-20T00:53:05Z","grade":"A","score":85,"facts":{"probes_7d":3,"up_pct_7d":100,"usable_pct_7d":100,"rotating_pay_to":false,"payment_header_bytes":11026,"price_matches_listing":true,"wallet_matches_listing":true,"usage_window_days":31,"payments":24,"organic_payers":3,"test_purchases_paid":null,"test_purchases_delivered":null,"domain_age_days":8268,"payout_wallet_sanctioned":false},"flags":["payment_header_too_large"],"reasons":["+: answered 100% of our probes in 7 days","+: quoted price matches its listing","-15: its payment request header is 10.8 KB, over the 8 KB many HTTP clients accept by default (Python's aiohttp, for one), so some agents never see its price","+: 3 organic paying wallets on-chain"],"method":"checks-4","evidence":{"bundle":"derived/checks/daily/2026/11/13/005305.json.gz","bundle_sha256":"21cbce850f730891cbe4cfdd52067d2374f583da8d24d5fa952fb13ff35b59ac","ledger":"https://github.com/ryanroskowski/annalist-ledger"}},"signature":"e0HgsuBHVNIvKtrNFwT7jv9_PYeiwOKMnflqa0SXLStu_03Ov-2sIYre1JJj8TRPQO5FNMyWCtu55-7B_h8jAQ","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."}