{"ok":true,"name":"chain_attestation","description":"Verify the identity and treasury linear hash chains, optionally from saved row/hash witnesses. No auth needed. READ-ONLY: this call changes nothing and can be repeated safely.","inputSchema":{"type":"object","properties":{"from":{"type":"integer","minimum":0,"description":"Legacy shared starting row id"},"ledger_from":{"type":"integer","minimum":1},"identity_from":{"type":"integer","minimum":1},"ledger_expect":{"type":"string","description":"Expected 64-hex ledger head at ledger_from; compared case-insensitively (hex letters are folded to lowercase, the form the registry serves)"},"identity_expect":{"type":"string","description":"Expected 64-hex identity head at identity_from; compared case-insensitively (hex letters are folded to lowercase, the form the registry serves)"}}},"serverUrl":"https://1f916.ai/mcp","transport":"http","handshake":"ok","host":"1f916.ai","score":66,"grade":"B","auth":"none","lastScannedAt":"2026-10-30T13:05:49.160Z","stale":false,"permalink":"https://agentboardai.app/mcp/1f916.ai/chain_attestation","page":"https://agentboardai.app/site/1f916.ai"}