{"api_version":2,"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","id":"4cfb58be-cfff-44f4-a61d-5a56fbae8bbb","source_url":"https://zambo.dev/api/receipt/4cfb58be-cfff-44f4-a61d-5a56fbae8bbb","receipt":{"id":"4cfb58be-cfff-44f4-a61d-5a56fbae8bbb","created_at":"2026-11-07T03:00:56.969Z","receipt_schema_version":"0.4","job_summary":"MCP tool execution: email_write","tools":["email_write"],"steps":[{"tool":"email_write","status":"success","started_at":"2026-11-07T03:00:56.781Z","completed_at":"2026-11-07T03:00:56.969Z"}],"output_hash":"sha256:8a99d6b86b9d06021daf33cfe9a44c10e96ebdbab71390957267dd5605190cb7","hash_algorithm":"sha256","canonical_bytes":"eyJjYWxsZXIiOnsiYmFzaXMiOiJpcF91YV8zMGQiLCJpZCI6InNoYTI1Njo4ZTdiMzU2ZGQ5ZWY5YTYyZDM2N2ZkYzAwY2U5Y2UxYTQxZTM0ZDNlYzNiZWNhNjFiZTBhMjU4ZTBiYWM4YzgxIiwicm90YXRlc19hdCI6IjIwMjYtMTItMDNUMDA6MDA6MDAuMDAwWiIsInR5cGUiOiJhbm9ueW1vdXMifSwiaXNzdWVyX2NsYWltcyI6eyJwcm92ZW5hbmNlX2NsYXNzIjoiRVhFQ1VURUQgQlkgWkFNQk8ifSwib3V0cHV0Ijp7ImJvZHkiOiJIaSB0aGVyZSxcblxuUHJvZHVjdCBsYXVuY2ggYW5ub3VuY2VtZW50IHRvIGJldGEgdXNlcnNcblxuSSdkIGxvdmUgdG8gaGVhciB5b3VyIHRob3VnaHRzLiBXb3VsZCB5b3UgYmUgb3BlbiB0byBhIHF1aWNrIHJlcGx5P1xuXG5CZXN0LFxuQnJlbm5hbiIsImZhbGxiYWNrIjp0cnVlLCJmb2xsb3dfdXAiOiJKdXN0IGZvbGxvd2luZyB1cCBvbiB0aGUgbm90ZSBiZWxvdyDigJQgaXMgdGhpcyBzdGlsbCByZWxldmFudD8iLCJub3RlIjoiQUkgZ2VuZXJhdGlvbiB3YXMgdW5hdmFpbGFibGUsIHNvIGEgdHJhbnNwYXJlbnQgc3RhcnRlciBkcmFmdCBpcyBzaG93bi4iLCJwcmV2aWV3X3RleHQiOiJQcm9kdWN0IGxhdW5jaCBhbm5vdW5jZW1lbnQgdG8gYmV0YSB1c2VycyIsInNlbmRfdGlwIjoiU2VuZCBtaWQtbW9ybmluZyBvbiBhIHdlZWtkYXkgYW5kIHBlcnNvbmFsaXplIHRoZSBmaXJzdCBzZW50ZW5jZS4iLCJzdWJqZWN0IjoiUHJvZHVjdCBsYXVuY2ggYW5ub3VuY2VtZW50IHRvIGJldGEgdXNlcnMiLCJ0b25lIjoidXJnZW5jeSIsInR5cGUiOiJhdXRvIn0sInJlY2VpcHRfc2NoZW1hX3ZlcnNpb24iOiIwLjQiLCJzaWRlX2VmZmVjdHMiOnsiZGVjbGFyYXRpb25faGFzaCI6InNoYTI1Njo0NWFhZDM4ZjNhYTk4MmI5YWFmZTkyZWNiNDE2ZWJlOTg3OTFlZGRiYWY4YWI2ZGYwYmQwODYwNWI3YzFiZmVlIiwiZGVjbGFyZWQiOlsibm9uZSJdLCJzY2hlbWFfdmVyc2lvbiI6InphbWJvLXNpZGUtZWZmZWN0cy8xIn0sInRvb2wiOnsibmFtZSI6ImVtYWlsX3dyaXRlIiwic2NvcGUiOiJwdWJsaWMiLCJ2ZXJzaW9uIjoiNC4wLjAifX0=","canonical_bytes_withheld_for_privacy":false,"canonical_byte_length":1055,"verification_status":"verified","session_trail":[],"result_preview":"{\"subject\":\"Product launch announcement to beta users\",\"body\":\"Hi there,\\n\\nProduct launch announcement to beta users\\n\\nI'd love to hear your thoughts. Would you be open to a quick reply?\\n\\nBest,\\nBrennan\",\"preview_text\":\"Product launch announcement to beta users\",\"follow_up\":\"Just following up on the note below — is this still relevant?\",\"send_tip\":\"Send mid-morning on a weekday and personalize the first sentence.\",\"type\":\"auto\",\"tone\":\"urgency\",\"fallback\":true,\"note\":\"AI generation was unavailable, so a transparent starter draft is shown.\"}","result_preview_integrity":"display_only_not_committed","result_preview_truncated":false,"input_hash":"sha256:27008e65e76e35f41e8d94269948bed3a5eb43e6388485ecf43941cd8d1a5a2a","input_hash_layout":"zambo-json-sorted-keys-utf8-v1","free_used":0,"free_remaining":0,"free_limit":0,"signal_handle":null,"tool":{"name":"email_write","version":"4.0.0","scope":"public"},"caller":{"type":"anonymous","id":"sha256:8e7b356dd9ef9a62d367fdc00ce9ce1a41e34d3ec3beca61be0a258e0bac8c81","basis":"ip_ua_30d","rotates_at":"2026-12-03T00:00:00.000Z"},"side_effects":{"declared":["none"],"schema_version":"zambo-side-effects/1","declaration_hash":"sha256:45aad38f3aa982b9aafe92ecb416ebe98791eddbaf8ab6df0bd08605b7c1bfee"},"evidence_sha256":null,"evidence_url":null,"evidence_byte_length":null,"evidence_content_type":null,"evidence_source_url":null,"evidence_status":"empty","result_source":null,"evidence_source":null,"external_evidence":[],"provenance":{"result_source":null,"evidence_source":null,"evidence_status":"empty","evidence_captures":[]},"provenance_class":"EXECUTED BY ZAMBO","metadata_hash":"sha256:f8ed5217347dc5e5859153d53c67c17a5ae52638f67ac43ed8f5685311e00c96","anchor":{"event_id":"ff24a59d55479bf659b54b733a6e986f00ffd2bb1ba3ed8895ba3ae4fc72ef9f","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.damus.io","wss://nos.lol","wss://relay.primal.net"],"status":"partial","published_at":"2026-11-07T03:00:59.571Z","schema_version":"zambo-receipt-anchor/1","envelope":{"anchored_at":"2026-11-07T03:00:56.969Z","evidence_url":null,"receipt_uuid":"4cfb58be-cfff-44f4-a61d-5a56fbae8bbb","output_sha256":"sha256:8a99d6b86b9d06021daf33cfe9a44c10e96ebdbab71390957267dd5605190cb7","schema_version":"zambo-receipt-anchor/1","evidence_sha256":null,"evidence_byte_length":null},"envelope_bytes":"{\"anchored_at\":\"2026-11-07T03:00:56.969Z\",\"evidence_byte_length\":null,\"evidence_sha256\":null,\"evidence_url\":null,\"output_sha256\":\"sha256:8a99d6b86b9d06021daf33cfe9a44c10e96ebdbab71390957267dd5605190cb7\",\"receipt_uuid\":\"4cfb58be-cfff-44f4-a61d-5a56fbae8bbb\",\"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":"2026-11-07T03:00:56.969Z","detail":"The receipt store reports 2026-11-07T03:00:56.969Z; 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":{"environment":"zambo.dev hosted MCP","quota_identity":{"meter_key":"sha256:90f23c21bbe80088bcc642f37fb1cd94caf479cbcacc5ca9e9bca3619f642b64"}}},"evidence_status":"empty","verification_status":"verified","checks":{"commitment_matches":{"status":"pass","passed":true,"expected_hash":"sha256:8a99d6b86b9d06021daf33cfe9a44c10e96ebdbab71390957267dd5605190cb7","computed_hash":"sha256:8a99d6b86b9d06021daf33cfe9a44c10e96ebdbab71390957267dd5605190cb7","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."}}}