{"api_version":2,"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","id":"41117f62-08cc-44f8-9934-2f147ba37351","source_url":"https://zambo.dev/api/receipt/41117f62-08cc-44f8-9934-2f147ba37351","receipt":{"id":"41117f62-08cc-44f8-9934-2f147ba37351","created_at":"2026-09-21T14:58:06.539Z","receipt_schema_version":"0.3","job_summary":"MCP tool execution: leadsignal","tools":["leadsignal"],"steps":[{"tool":"leadsignal","status":"error","started_at":"2026-09-21T14:57:59.262Z","completed_at":"2026-09-21T14:58:06.512Z"}],"output_hash":"sha256:13d5de41ad183649b70ed74e102841c847e3ce367ec7e14fbbaa5b4d1cda1755","hash_algorithm":"sha256","canonical_bytes":"eyJjYWxsZXIiOnsiaWQiOiJzaGEyNTY6ODFmZDRhNGNlNTg5YmYzZTk4MjA5MWQ4ZjI2MTJiZDdmOTI2MmU2MjQ4YjkwY2RkNWZlMzVjODFjNTIyMmZmZiIsInR5cGUiOiJhbm9ueW1vdXMifSwib3V0cHV0Ijp7ImNpdHkiOiJBdXN0aW4sIFRYIiwiZXhlY3V0ZWQiOnRydWUsImxlYWRzIjpbXSwibWVzc2FnZSI6IkxlYWRTaWduYWwgZXhlY3V0ZWQgYnV0IGZvdW5kIG5vIHJlYWwgbGVhZHMgZm9yIHRoaXMgc2VhcmNoLiBObyBjb250YWN0cyB3ZXJlIGludmVudGVkLiIsInByb3ZpZGVyX3Jlc3BvbnNlIjp7ImVycm9yIjoibm9fbGVhZHMiLCJtZXNzYWdlIjoiTm8gYWN0aXZlIHBvc3RzIGZvdW5kIGluIEF1c3RpbiBmb3IgUGx1bWJpbmcgcmlnaHQgbm93LiBIb21lb3duZXJzIHBvc3QgdGhyb3VnaG91dCB0aGUgZGF5IOKAlCB0cnkgYWdhaW4gaW4gYSBmZXcgaG91cnMsIG9yIHNlYXJjaCBhIG5lYXJieSBjaXR5LiIsInN0YXR1cyI6NDA0fSwic3RhdHVzIjoibm9fbGVhZHMiLCJ0cmFkZSI6IlBsdW1iaW5nIn0sInJlY2VpcHRfc2NoZW1hX3ZlcnNpb24iOiIwLjMiLCJzaWRlX2VmZmVjdHMiOnsiZGVjbGFyYXRpb25faGFzaCI6InNoYTI1Njo0NWFhZDM4ZjNhYTk4MmI5YWFmZTkyZWNiNDE2ZWJlOTg3OTFlZGRiYWY4YWI2ZGYwYmQwODYwNWI3YzFiZmVlIiwiZGVjbGFyZWQiOlsibm9uZSJdLCJzY2hlbWFfdmVyc2lvbiI6InphbWJvLXNpZGUtZWZmZWN0cy8xIn0sInRvb2wiOnsibmFtZSI6ImxlYWRzaWduYWwiLCJzY29wZSI6InB1YmxpYyIsInZlcnNpb24iOiI0LjAuMCJ9fQ==","canonical_bytes_withheld_for_privacy":false,"canonical_byte_length":784,"verification_status":"legacy_receipt","session_trail":[],"result_preview":"{\"status\":\"no_leads\",\"executed\":true,\"leads\":[],\"trade\":\"Plumbing\",\"city\":\"Austin, TX\",\"message\":\"LeadSignal executed but found no real leads for this search. No contacts were invented.\",\"provider_response\":{\"error\":\"no_leads\",\"message\":\"No active posts found in Austin for Plumbing right now. Homeowners post throughout the day — try again in a few hours, or search a nearby city.\",\"status\":404}}","result_preview_integrity":"display_only_not_committed","result_preview_truncated":false,"free_used":1,"free_remaining":19,"free_limit":20,"signal_handle":null,"tool":{"name":"leadsignal","version":"4.0.0","scope":"public"},"caller":{"type":"anonymous","id":"sha256:81fd4a4ce589bf3e982091d8f2612bd7f9262e6248b90cdd5fe35c81c5222fff"},"side_effects":{"declared":["none"],"schema_version":"zambo-side-effects/1","declaration_hash":"sha256:45aad38f3aa982b9aafe92ecb416ebe98791eddbaf8ab6df0bd08605b7c1bfee"},"evidence_sha256":"sha256:1ae081cb79769eba65b109192e820df36e221f2253086129816dfb22302c5afa","evidence_url":"/api/evidence/1ae081cb79769eba65b109192e820df36e221f2253086129816dfb22302c5afa","evidence_byte_length":178,"evidence_content_type":"application/json","evidence_source_url":null,"evidence_status":"upstream_error","result_source":null,"evidence_source":null,"external_evidence":[],"provenance":null,"provenance_class":"EXECUTED BY ZAMBO","metadata_hash":null,"anchor":{"event_id":"4ed6dc10758945c92345ccfcf5afafdfebce347acb04a75cbac449d56f7057a1","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.damus.io","wss://nos.lol","wss://relay.primal.net"],"status":"partial","published_at":"2026-09-21T14:58:07.164Z","schema_version":"zambo-receipt-anchor/1","envelope":{"anchored_at":"2026-09-21T14:58:06.512Z","evidence_url":"https://zambo.dev/api/evidence/1ae081cb79769eba65b109192e820df36e221f2253086129816dfb22302c5afa","receipt_uuid":"41117f62-08cc-44f8-9934-2f147ba37351","output_sha256":"sha256:13d5de41ad183649b70ed74e102841c847e3ce367ec7e14fbbaa5b4d1cda1755","schema_version":"zambo-receipt-anchor/1","evidence_sha256":"sha256:1ae081cb79769eba65b109192e820df36e221f2253086129816dfb22302c5afa","evidence_byte_length":178},"envelope_bytes":"{\"anchored_at\":\"2026-09-21T14:58:06.512Z\",\"evidence_byte_length\":178,\"evidence_sha256\":\"sha256:1ae081cb79769eba65b109192e820df36e221f2253086129816dfb22302c5afa\",\"evidence_url\":\"https://zambo.dev/api/evidence/1ae081cb79769eba65b109192e820df36e221f2253086129816dfb22302c5afa\",\"output_sha256\":\"sha256:13d5de41ad183649b70ed74e102841c847e3ce367ec7e14fbbaa5b4d1cda1755\",\"receipt_uuid\":\"41117f62-08cc-44f8-9934-2f147ba37351\",\"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":"legacy","passed":false,"detail":"legacy receipt, provenance not cryptographically bound"},"metadata_binding":{"label":"AER-1 metadata hash","status":"legacy","passed":false,"detail":"legacy receipt, metadata is not cryptographically bound"},"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":"2026-09-21T14:58:06.539Z","detail":"The receipt store reports 2026-09-21T14:58:06.539Z; immutability is not checked here."},"receipt_schema_version":"0.3","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."}},"evidence_warning":{"label":"Evidence captured: upstream error response"}},"evidence_status":"upstream_error","evidence_warning":{"label":"Evidence captured: upstream error response"},"verification_status":"legacy_receipt","checks":{"commitment_matches":{"status":"pass","passed":true,"expected_hash":"sha256:13d5de41ad183649b70ed74e102841c847e3ce367ec7e14fbbaa5b4d1cda1755","computed_hash":"sha256:13d5de41ad183649b70ed74e102841c847e3ce367ec7e14fbbaa5b4d1cda1755","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":"legacy","passed":false,"detail":"legacy receipt, provenance not cryptographically bound"},"metadata_binding":{"label":"AER-1 metadata hash","status":"legacy","passed":false,"detail":"legacy receipt, metadata is not cryptographically bound"},"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."}}}