{"api_version":2,"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","id":"5bf74fed-7653-443e-9264-7ade81902cf3","source_url":"https://zambo.dev/api/receipt/5bf74fed-7653-443e-9264-7ade81902cf3","receipt":{"id":"5bf74fed-7653-443e-9264-7ade81902cf3","created_at":"2026-11-13T10:33:53.443Z","receipt_schema_version":"0.4","job_summary":"trade: wireless headphones; city: Berlin","tools":["leadsignal"],"steps":[{"tool":"leadsignal","status":"success","started_at":"2026-11-13T10:33:53.172Z","completed_at":"2026-11-13T10:33:53.443Z"}],"output_hash":"sha256:f5e824f8997d46a93cfa459046907d001b532e8389513a3c0e43eef8a369c5b5","hash_algorithm":"sha256","canonical_bytes":"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","canonical_bytes_withheld_for_privacy":false,"canonical_byte_length":853,"verification_status":"verified","session_trail":[{"tool":"capability_search","status":"completed","args_hash":"sha256:1bcebd79c4a0e9a0bfd27116b87dc863efa3f5e168323b235c7e8bc428315d98","timestamp":"2026-11-13T10:33:45.535Z","receipt_uuid":"3c40c3d9-ce3c-4948-9c3f-7c31b1e49746"},{"tool":"leadsignal","status":"completed","args_hash":"sha256:c031c76747b0fb4a7dc50a68ed370c85d5fc70a4449443bd5bb49b8e217dec47","timestamp":"2026-11-13T10:33:53.443Z","receipt_uuid":"5bf74fed-7653-443e-9264-7ade81902cf3"}],"result_preview":"{\"status\":\"no_results\",\"leads\":[],\"count\":0,\"leadsignal_quota\":{\"tier\":\"free\",\"limit\":3,\"remaining\":3,\"resets_at\":\"2026-11-14T00:00:00.000Z\"},\"message\":\"No source-backed leads were found in Berlin for wireless headphones right now.\",\"next_step\":\"Try a nearby city or broaden the service area; no leads were invented.\",\"requested_city\":\"Berlin\"}","result_preview_integrity":"display_only_not_committed","result_preview_truncated":false,"input_hash":"sha256:3c72ad498a2df854e114c33114830ea6aaccc74fc46e74bfb3ba15c71e5e1370","input_hash_layout":"zambo-json-sorted-keys-utf8-v1","free_used":0,"free_remaining":3,"free_limit":3,"signal_handle":null,"tool":{"name":"leadsignal","version":"4.1.0","scope":"public"},"caller":{"type":"session","id":"sha256:6fb7b27cf1a1d5a975362a2f7d645952afcdbd21cf76248156a46e3da375f1b6","label":"mcp-discovery-measurement","label_source":"caller_reported"},"side_effects":{"declared":["none"],"schema_version":"zambo-side-effects/1","declaration_hash":"sha256:45aad38f3aa982b9aafe92ecb416ebe98791eddbaf8ab6df0bd08605b7c1bfee"},"evidence_sha256":"sha256:41d832eb0293731ac58240097f7629e799c724a736198e7e61582746457a29d6","evidence_url":"/api/evidence/41d832eb0293731ac58240097f7629e799c724a736198e7e61582746457a29d6","evidence_byte_length":319,"evidence_content_type":"application/json","evidence_source_url":null,"evidence_status":"ok","result_source":null,"evidence_source":"localhost","external_evidence":[],"provenance":{"result_source":null,"evidence_source":"localhost","evidence_status":"ok","evidence_captures":[{"sha256":"sha256:41d832eb0293731ac58240097f7629e799c724a736198e7e61582746457a29d6","source":"localhost","capture_role":"primary","evidence_status":"ok"}]},"provenance_class":"EXECUTED BY ZAMBO","metadata_hash":"sha256:91068d185897bba5ce60f8753f5bbccda5d9bb8c9b4faa131a52d74471300118","anchor":{"event_id":"1a456f72e792da21d12de0d0e60eb47c3776640e0e4e347a2e7091c30da066de","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.primal.net"],"status":"published","published_at":"2026-11-13T10:33:53.997Z","published_at_semantics":"Relay confirmation time (accepted acknowledgement or exact-event read-back); not the signed event's created_at.","schema_version":"zambo-receipt-anchor/1","envelope":{"anchored_at":"2026-11-13T10:33:53.443Z","evidence_url":"https://zambo.dev/api/evidence/41d832eb0293731ac58240097f7629e799c724a736198e7e61582746457a29d6","receipt_uuid":"5bf74fed-7653-443e-9264-7ade81902cf3","output_sha256":"sha256:f5e824f8997d46a93cfa459046907d001b532e8389513a3c0e43eef8a369c5b5","schema_version":"zambo-receipt-anchor/1","evidence_sha256":"sha256:41d832eb0293731ac58240097f7629e799c724a736198e7e61582746457a29d6","evidence_byte_length":319},"envelope_bytes":"{\"anchored_at\":\"2026-11-13T10:33:53.443Z\",\"evidence_byte_length\":319,\"evidence_sha256\":\"sha256:41d832eb0293731ac58240097f7629e799c724a736198e7e61582746457a29d6\",\"evidence_url\":\"https://zambo.dev/api/evidence/41d832eb0293731ac58240097f7629e799c724a736198e7e61582746457a29d6\",\"output_sha256\":\"sha256:f5e824f8997d46a93cfa459046907d001b532e8389513a3c0e43eef8a369c5b5\",\"receipt_uuid\":\"5bf74fed-7653-443e-9264-7ade81902cf3\",\"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":"2026-11-13T10:33:53.443Z","detail":"The receipt store reports 2026-11-13T10:33:53.443Z; 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:c48a73e2925dc4532a40153d36b27357067abc1b256613ccc244a8ddae3000c5"}}},"evidence_status":"ok","verification_status":"verified","checks":{"commitment_matches":{"status":"pass","passed":true,"expected_hash":"sha256:f5e824f8997d46a93cfa459046907d001b532e8389513a3c0e43eef8a369c5b5","computed_hash":"sha256:f5e824f8997d46a93cfa459046907d001b532e8389513a3c0e43eef8a369c5b5","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."}}}