{"api_version":2,"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","id":"9c8a7cae-84c7-456c-8c4a-199c51110e97","source_url":"https://zambo.dev/api/receipt/9c8a7cae-84c7-456c-8c4a-199c51110e97","receipt":{"id":"9c8a7cae-84c7-456c-8c4a-199c51110e97","created_at":"2026-11-11T07:52:37.057Z","receipt_schema_version":"0.4","job_summary":"MCP tool execution: 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Zambo is live: Source-backed AI lead gen for local trades\n\nHi [Name],\n\nYou’re here because you need qualified leads, not another spray-and-pray email list.\n\nZambo just launched. It is an AI lead generation tool built specifically for contractors and local service businesses. We strip away the guesswork. You provide two inputs: your trade type and your target city. In under 60 seconds, Zambo returns five qualified prospects with contact information, sourced from public data.\n\nWe support 24 trades across any US city. The interface is simple. The output is actionable.\n\nThis is a launch announcement, not a case study. I am not claiming we have cured your pipeline issues. I am not sharing customer testimonials because we are in the early launch phase. What I am offering is a free, no-authentication-required trial of the core mechanics.\n\nThe tool operates on a \"source-backed\" principle. It does not invent contacts. It does not guess. If it returns a lead, that lead exists in publicly available records. If it returns zero results, that is the truth of the current data set, not a failure of the AI. Honesty in data integrity is the foundation of this product.\n\nWe are currently running on a free tier. You get three searches per day, per IP address. There is no credit card requirement. There is no sales call scheduled unless you ask for one.\n\nThe execution plan is straightforward:\n1. Identify a specific trade (e.g., roofer, plumber, web designer).\n2. Pick a city (e.g., Phoenix AZ, Austin TX).\n3. Run the query.\n4. Evaluate the quality of the returned prospects.\n\nNote: Recent test runs in Austin for web design returned zero results. This is a limitation of the current data snapshot for that specific niche and location, not a bug in the logic. We share these null results because transparency is more valuable than a polished demo.\n\nI want you to test this yourself. Do not trust my word. Trust the data.\n\n[Your Name]\nFounder, Zambo\nzambo.dev\n\nP.S. The free tier resets daily. If the first three searches don’t convince you, walk away. We prefer that to a forced sale.","result_preview_integrity":"display_only_not_committed","result_preview_truncated":false,"input_hash":"sha256:7afea4c4de8d925676b98247a2a34be87e66c494d4e70a38450c041cbcd1449d","input_hash_layout":"zambo-json-sorted-keys-utf8-v1","free_used":0,"free_remaining":0,"free_limit":0,"signal_handle":null,"tool":{"name":"write","version":"4.1.0","scope":"public"},"caller":{"type":"session","id":"sha256:6050e7f8ca1aa965963198264b1b664a34642951ef44510960738a8b127107e2","label":"zambo-home-demo","label_source":"caller_reported"},"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":"sha256:39e5540619c6cff0699cbc8cf9b1862993d61bd5965f0c4e6f1941c42da09c25","anchor":{"event_id":"8f1375a18ec4fb7174c142e0f267ee01adc8ee4a7a91cd9c7857269d1aa5802e","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.primal.net"],"status":"published","published_at":"2026-11-11T07:53:51.056Z","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":"2026-11-11T07:52:37.057Z","evidence_url":null,"receipt_uuid":"9c8a7cae-84c7-456c-8c4a-199c51110e97","output_sha256":"sha256:48fd243cca6289eecee0e2ad45a66da1f12867f15b1945ef405270e1e2634de5","schema_version":"zambo-receipt-anchor/1","evidence_sha256":null,"evidence_byte_length":null},"envelope_bytes":"{\"anchored_at\":\"2026-11-11T07:52:37.057Z\",\"evidence_byte_length\":null,\"evidence_sha256\":null,\"evidence_url\":null,\"output_sha256\":\"sha256:48fd243cca6289eecee0e2ad45a66da1f12867f15b1945ef405270e1e2634de5\",\"receipt_uuid\":\"9c8a7cae-84c7-456c-8c4a-199c51110e97\",\"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":"2026-11-11T07:52:37.057Z","detail":"The receipt store reports 2026-11-11T07:52:37.057Z; 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:db6bd24a29d67dad85dfaeeb0a32fab676e8cad4a60e624e49f918f48afbe813"}}},"evidence_status":"empty","verification_status":"verified","checks":{"commitment_matches":{"status":"pass","passed":true,"expected_hash":"sha256:48fd243cca6289eecee0e2ad45a66da1f12867f15b1945ef405270e1e2634de5","computed_hash":"sha256:48fd243cca6289eecee0e2ad45a66da1f12867f15b1945ef405270e1e2634de5","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."}}}