{"status":"attested","page":"https://annalist.dev/check/sky-calc.x402tookit.com","statement":{"type":"annalist.x402-check/v1","issuer":"https://annalist.dev","subject":{"host":"sky-calc.x402tookit.com","pay_to":["0xb531320805c5bed1d46aeadcf4f008fdf172dbda"]},"issued_at":"2026-11-06T00:58:42Z","valid_until":"2026-11-13T00:58:42Z","grade":"F","score":10,"facts":{"probes_7d":3,"up_pct_7d":67,"usable_pct_7d":67,"rotating_pay_to":false,"payment_header_bytes":10602,"price_matches_listing":true,"wallet_matches_listing":true,"usage_window_days":25,"payments":1310,"organic_payers":2,"test_purchases_paid":null,"test_purchases_delivered":null,"domain_age_days":16,"payout_wallet_sanctioned":false},"flags":["often_down","payment_header_too_large","seller_funded_payers","one_wallet_dominates","new_domain"],"reasons":["-25: answered 67% of our probes in 7 days","+: quoted price matches its listing","-15: its payment request header is 10.4 KB, over the 8 KB many HTTP clients accept by default (Python's aiohttp, for one), so some agents never see its price","-30: 25% of payers received USDC from the seller's wallet","-10: one wallet made 99% of payments","+: 2 organic paying wallets on-chain","-10: domain registered 16 days ago"],"method":"checks-4","evidence":{"bundle":"derived/checks/daily/2026/11/06/005842.json.gz","bundle_sha256":"3125b94a0ebc80236aa41916ec44e4f067fd007cd155590e00175f6cd2a38ad3","ledger":"https://github.com/ryanroskowski/annalist-ledger"}},"signature":"JZae3WtDIDrdM6C1wCa1BjmjUMb5k3bD2Yn38uDfunzA-qsi-8UZAlxHRe9us67ArKMBL1ROI-rfqhux_xY2Ag","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."}