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BY ZAMBO","metadata_hash":"sha256:b1ab5285c1836ed43295dbef448b7141b0a4ab4253e5d66d0af0d4df1d31f9a9","anchor":{"event_id":"91093edb04a39c364869d3e05687308399bde5708c54b2199f6c6bcc09803b67","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.damus.io","wss://nos.lol","wss://relay.primal.net"],"status":"partial","published_at":"2026-10-20T09:52:46.416Z","schema_version":"zambo-receipt-anchor/1","envelope":{"anchored_at":"2026-10-20T09:52:45.855Z","evidence_url":"https://zambo.dev/api/evidence/3df79d34abbca99308e79cb94461c1893582604d68329a41fd4bec1885e6adb4","receipt_uuid":"de544c62-93d7-4efa-84e1-972ee35ddc7e","output_sha256":"sha256:eb1295fcca0f73439125809a21e26fcab56095a42e98a9c3bf175506bc2b1678","schema_version":"zambo-receipt-anchor/1","evidence_sha256":"sha256:3df79d34abbca99308e79cb94461c1893582604d68329a41fd4bec1885e6adb4","evidence_byte_length":13264},"envelope_bytes":"{\"anchored_at\":\"2026-10-20T09:52:45.855Z\",\"evidence_byte_length\":13264,\"evidence_sha256\":\"sha256:3df79d34abbca99308e79cb94461c1893582604d68329a41fd4bec1885e6adb4\",\"evidence_url\":\"https://zambo.dev/api/evidence/3df79d34abbca99308e79cb94461c1893582604d68329a41fd4bec1885e6adb4\",\"output_sha256\":\"sha256:eb1295fcca0f73439125809a21e26fcab56095a42e98a9c3bf175506bc2b1678\",\"receipt_uuid\":\"de544c62-93d7-4efa-84e1-972ee35ddc7e\",\"schema_version\":\"zambo-receipt-anchor/1\"}"},"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","api_version":1,"verification_scope":"separate_sha256_commitment_and_provenance_binding_checks","checks":{"commitment_matches":{"label":"SHA-256 commitment","passed":true,"status":"pass","detail":"The exact decoded canonical bytes match the stored SHA-256 output hash."},"canonical_payload_matches":{"label":"Canonical payload reconstruction","passed":true,"status":"pass","detail":"The stored output and known call context reconstruct the exact canonical bytes."},"provenance_binding":{"label":"Provenance claim binding","status":"pass","passed":true,"detail":"The metadata claim is consistent with the verified receipt bytes; issuer is not authenticated."},"metadata_binding":{"label":"AER-1 metadata hash","status":"pass","passed":true,"detail":"metadata_hash matches the canonical metadata block."},"signature":{"label":"Ed25519 signature (not checked)","passed":false,"status":"not_checked","detail":"No Ed25519 signature or pinned signing key was checked."},"chain":{"label":"Receipt chain (not checked)","passed":false,"status":"not_checked","detail":"No append-only receipt-chain proof was checked."},"issued_by_zambo_dev":{"label":"Issuer authentication","passed":false,"status":"not_checked","detail":"A zambo.dev receipt URL does not authenticate the issuer; no pinned signature or trusted issuer key was checked."},"immutable_log_timestamp":{"label":"Stored timestamp","passed":true,"timestamp":"2026-10-20T09:52:45.855Z","detail":"The receipt store reports 2026-10-20T09:52:45.855Z; immutability is not checked here."},"receipt_schema_version":"0.4","signature_valid":{"label":"Ed25519 signature (not checked)","passed":false,"status":"not_checked","detail":"Compatibility field only. No Ed25519 signature was checked; use API v2 checks.commitment_matches for the SHA-256 commitment."},"chain_valid":{"label":"Receipt chain (not checked)","passed":false,"status":"not_checked","detail":"This endpoint does not verify an append-only chain."}},"execution_context":{"source":"w3.org","environment":"zambo.dev hosted MCP"}},"verification_status":"verified","checks":{"commitment_matches":{"status":"pass","passed":true,"expected_hash":"sha256:eb1295fcca0f73439125809a21e26fcab56095a42e98a9c3bf175506bc2b1678","computed_hash":"sha256:eb1295fcca0f73439125809a21e26fcab56095a42e98a9c3bf175506bc2b1678","detail":"SHA-256 of the exact decoded canonical bytes matches output_hash."},"canonical_payload_matches":{"label":"Canonical payload reconstruction","passed":true,"status":"pass","detail":"The stored output and known call context reconstruct the exact canonical bytes."},"provenance_binding":{"label":"Provenance claim binding","status":"pass","passed":true,"detail":"The metadata claim is consistent with the verified receipt bytes; issuer is not authenticated."},"metadata_binding":{"label":"AER-1 metadata hash","status":"pass","passed":true,"detail":"metadata_hash matches the canonical metadata block."},"issuer_authentication":{"label":"Issuer authentication","passed":false,"status":"not_checked","detail":"A zambo.dev receipt URL does not authenticate the issuer; no pinned signature or trusted issuer key was checked."},"signature":{"status":"not_checked","detail":"No Ed25519 signature or pinned signing key is supplied."},"schema":{"status":"not_checked","detail":"Schema conformance is left to the client using the linked hosted-profile schema."},"chain":{"status":"not_checked","detail":"This endpoint does not verify an append-only receipt chain."}}}