{"api_version":2,"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","id":"48301b6d-0985-4ad1-85ed-d3f374fd525f","source_url":"https://zambo.dev/api/receipt/48301b6d-0985-4ad1-85ed-d3f374fd525f","receipt":{"id":"48301b6d-0985-4ad1-85ed-d3f374fd525f","created_at":"2026-10-21T00:12:10.816Z","receipt_schema_version":"0.4","job_summary":"trade: electrician; city: Denver CO","tools":["leadsignal"],"steps":[{"tool":"leadsignal","status":"success","started_at":"2026-10-21T00:12:05.995Z","completed_at":"2026-10-21T00:12:10.816Z"}],"output_hash":"sha256:03fecb10fdf2582a5f1d69e6bd092e456348b9b8715c65ef3b900916415a3714","hash_algorithm":"sha256","canonical_bytes":"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","canonical_bytes_withheld_for_privacy":false,"canonical_byte_length":1092,"verification_status":"verified","session_trail":[{"tool":"leadsignal","status":"completed","args_hash":"sha256:a8448d78d60cf3d37d63084689221c785c474344ff806a14792a6a8bd2c5c40f","timestamp":"2026-10-21T00:11:58.301Z","receipt_uuid":"c70c62c2-dce6-4d95-aaca-6ebd8ea7948f"},{"tool":"leadsignal","status":"completed","args_hash":"sha256:bed8799022d69771f73279cce18486fda332d6f14e70a9ffa4cba321e0ec3877","timestamp":"2026-10-21T00:12:01.711Z","receipt_uuid":"7e0e34ba-cb3c-427c-ac19-77f57f172b80"},{"tool":"leadsignal","status":"completed","args_hash":"sha256:83d761fe44db279fe435014606279d070f88da71dc984642cf797aaef0af7d53","timestamp":"2026-10-21T00:12:05.080Z","receipt_uuid":"d3613849-66f7-464e-9320-a0770d22837e"},{"tool":"leadsignal","status":"completed","args_hash":"sha256:2d668e1667ae6bcd7ae878cc641bea9b28996604c7218750906cc2211de2fac8","timestamp":"2026-10-21T00:12:10.816Z","receipt_uuid":"48301b6d-0985-4ad1-85ed-d3f374fd525f"}],"result_preview":"{\"status\":\"no_leads\",\"executed\":true,\"leads\":[],\"trade\":\"Electrical\",\"city\":\"Denver, CO\",\"quota_tier\":\"free_3\",\"free_limit\":3,\"leadsignal_quota\":{\"tier\":\"free\",\"limit\":3,\"remaining\":3,\"resets_at\":\"2026-10-22T00:00:00.000Z\"},\"message\":\"LeadSignal executed but found no real leads for this search. No contacts were invented.\",\"provider_response\":{\"status\":\"no_results\",\"leads\":[],\"count\":0,\"leadsignal_quota\":{\"tier\":\"free\",\"limit\":3,\"remaining\":3,\"resets_at\":\"2026-10-22T00:00:00.000Z\"},\"message\":\"No source-backed leads were found in Denver for Electrical right now. Try another location or check later.\"}}","result_preview_integrity":"display_only_not_committed","result_preview_truncated":false,"input_hash":"sha256:b5ddd14547ab4a5e5d9a3a56f5fb594a09e99a5f4eb90de4aeb1649998023800","input_hash_layout":"zambo-json-sorted-keys-utf8-v1","free_used":1,"free_remaining":19,"free_limit":20,"signal_handle":null,"tool":{"name":"leadsignal","version":"4.0.0","scope":"public"},"caller":{"type":"session","id":"sha256:ab14b1ee920d4887fed735d69c604b50e71f95026df5bff492a0a66df50de0d5","label":"v5","label_source":"caller_reported"},"side_effects":{"declared":["none"],"schema_version":"zambo-side-effects/1","declaration_hash":"sha256:45aad38f3aa982b9aafe92ecb416ebe98791eddbaf8ab6df0bd08605b7c1bfee"},"evidence_sha256":"sha256:2a4d1da9455a3da689063748dbd575cef6d71b4c424bc9c936c9729d7485bbe7","evidence_url":"/api/evidence/2a4d1da9455a3da689063748dbd575cef6d71b4c424bc9c936c9729d7485bbe7","evidence_byte_length":261,"evidence_content_type":"application/json","evidence_source_url":null,"evidence_status":"captured","external_evidence":[],"provenance":null,"provenance_class":"EXECUTED BY ZAMBO","metadata_hash":"sha256:0f66cbf0da6ef985231bd3991781bda26ad0f20db33fd5f3f79778f595fbf2c2","anchor":{"event_id":"a355756559554b9217330aea7d9320acd26077ab3bb124e72d92bee16b4abaca","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.damus.io","wss://nos.lol","wss://relay.primal.net"],"status":"published","published_at":"2026-10-21T00:12:11.414Z","schema_version":"zambo-receipt-anchor/1","envelope":{"anchored_at":"2026-10-21T00:12:10.816Z","evidence_url":"https://zambo.dev/api/evidence/2a4d1da9455a3da689063748dbd575cef6d71b4c424bc9c936c9729d7485bbe7","receipt_uuid":"48301b6d-0985-4ad1-85ed-d3f374fd525f","output_sha256":"sha256:03fecb10fdf2582a5f1d69e6bd092e456348b9b8715c65ef3b900916415a3714","schema_version":"zambo-receipt-anchor/1","evidence_sha256":"sha256:2a4d1da9455a3da689063748dbd575cef6d71b4c424bc9c936c9729d7485bbe7","evidence_byte_length":261},"envelope_bytes":"{\"anchored_at\":\"2026-10-21T00:12:10.816Z\",\"evidence_byte_length\":261,\"evidence_sha256\":\"sha256:2a4d1da9455a3da689063748dbd575cef6d71b4c424bc9c936c9729d7485bbe7\",\"evidence_url\":\"https://zambo.dev/api/evidence/2a4d1da9455a3da689063748dbd575cef6d71b4c424bc9c936c9729d7485bbe7\",\"output_sha256\":\"sha256:03fecb10fdf2582a5f1d69e6bd092e456348b9b8715c65ef3b900916415a3714\",\"receipt_uuid\":\"48301b6d-0985-4ad1-85ed-d3f374fd525f\",\"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":"2026-10-21T00:12:10.816Z","detail":"The receipt store reports 2026-10-21T00:12:10.816Z; 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":"sha256:03fecb10fdf2582a5f1d69e6bd092e456348b9b8715c65ef3b900916415a3714","computed_hash":"sha256:03fecb10fdf2582a5f1d69e6bd092e456348b9b8715c65ef3b900916415a3714","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."}}}