{"status":"attested","page":"https://annalist.dev/mcp/com.metisfoundry.check-api/metis-check","statement":{"type":"annalist.mcp-check/v1","issuer":"https://annalist.dev","subject":{"name":"com.metisfoundry.check-api/metis-check","url":"https://check-api.metisfoundry.com/mcp/check"},"issued_at":"2026-11-02T01:04:25Z","valid_until":"2026-11-09T01:04:25Z","grade":"B","score":75,"facts":{"probes_7d":6,"up_pct_7d":50,"median_ms":585,"access":"oauth","tools_count":null,"tools_changed_14d":false,"last_tools_change":null,"domain_age_days":null,"registry_status":"active"},"flags":["often_down"],"reasons":["-25: answered 50% of our probes in 7 days"],"method":"mcp-1","evidence":{"probes":"derived/checks/mcp/probes/","ledger":"https://github.com/ryanroskowski/annalist-ledger"}},"signature":"jrb4on3hTyw5r7vTZYi_OfhgjhvlPInah6Qm-WarXVrBNeT4oYFlUgEC32DT2iyA9G63SqMj_NR1GGL_u7R8AQ","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 probes behind it are archived daily, and each day's archive hashes are in the public ledger."}