{"api_version":2,"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","id":"8a4e7c7b-7b39-4760-89e9-bfefc7ecb708","source_url":"https://zambo.dev/api/receipt/8a4e7c7b-7b39-4760-89e9-bfefc7ecb708","receipt":{"id":"8a4e7c7b-7b39-4760-89e9-bfefc7ecb708","created_at":"2026-10-25T03:01:11.732Z","receipt_schema_version":"0.4","job_summary":"MCP tool execution: email_write","tools":["email_write"],"steps":[{"tool":"email_write","status":"success","started_at":"2026-10-25T03:01:09.811Z","completed_at":"2026-10-25T03:01:11.732Z"}],"output_hash":"sha256:394041b0d7765906e6904beb89ef60a9c25a97ba3dcad9a4e0d0b90fddaf20fe","hash_algorithm":"sha256","canonical_bytes":"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","canonical_bytes_withheld_for_privacy":false,"canonical_byte_length":1314,"verification_status":"verified","session_trail":[],"result_preview":"{\"subject\":\"Launch Today: Your Beta Access to the New Feature\",\"body\":\"Hi there,\\n\\nThe wait is over. Today we’re launching the new feature you’ve been beta testing, and it’s live for you now. All the feedback you gave has been turned into a smoother, faster experience—ready to help you get more done in less time.\\n\\nClick here to log in and try it out right away. If you run into any hiccups, reply to this email and we’ll fix it immediately.\\n\\nThanks for being an early supporter. Your input drives everything we build.\\n\\nBrennan\",\"preview_text\":\"Launch today: beta access to new feature\",\"follow_up\":\"Just wanted to confirm you saw the launch announcement—any questions?\",\"send_tip\":\"Send at 9 AM PST on a Tuesday; add a countdown timer to the subject line.\",\"type\":\"auto\",\"tone\":\"urgency\"}","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":"sha256:831c0b63a8e508a6e53738c083ac40181438af8f6d1b1be7ea56ff0cfa7668a9","basis":"ip_ua_30d","rotates_at":"2026-11-03T00:00:00.000Z"},"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":"no_upstream_bytes_captured","external_evidence":[],"provenance":null,"provenance_class":"EXECUTED BY ZAMBO","metadata_hash":"sha256:408feff47f1548138b079e9ccf670d408a11b677cbfdda07d070ba835e3612a3","anchor":{"event_id":"907b3e368db3df63274ed7fcad7270b24fa9e25829df5a39060a3838c691d98b","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.damus.io","wss://nos.lol","wss://relay.primal.net"],"status":"partial","published_at":"2026-10-25T03:01:12.980Z","schema_version":"zambo-receipt-anchor/1","envelope":{"anchored_at":"2026-10-25T03:01:11.732Z","evidence_url":null,"receipt_uuid":"8a4e7c7b-7b39-4760-89e9-bfefc7ecb708","output_sha256":"sha256:394041b0d7765906e6904beb89ef60a9c25a97ba3dcad9a4e0d0b90fddaf20fe","schema_version":"zambo-receipt-anchor/1","evidence_sha256":null,"evidence_byte_length":null},"envelope_bytes":"{\"anchored_at\":\"2026-10-25T03:01:11.732Z\",\"evidence_byte_length\":null,\"evidence_sha256\":null,\"evidence_url\":null,\"output_sha256\":\"sha256:394041b0d7765906e6904beb89ef60a9c25a97ba3dcad9a4e0d0b90fddaf20fe\",\"receipt_uuid\":\"8a4e7c7b-7b39-4760-89e9-bfefc7ecb708\",\"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":"2026-10-25T03:01:11.732Z","detail":"The receipt store reports 2026-10-25T03:01:11.732Z; 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"}},"verification_status":"verified","checks":{"commitment_matches":{"status":"pass","passed":true,"expected_hash":"sha256:394041b0d7765906e6904beb89ef60a9c25a97ba3dcad9a4e0d0b90fddaf20fe","computed_hash":"sha256:394041b0d7765906e6904beb89ef60a9c25a97ba3dcad9a4e0d0b90fddaf20fe","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."}}}