{"api_version":2,"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","id":"5fec4a15-c2db-45ba-a3cf-982b268508cd","source_url":"https://zambo.dev/api/receipt/5fec4a15-c2db-45ba-a3cf-982b268508cd","receipt":{"id":"5fec4a15-c2db-45ba-a3cf-982b268508cd","created_at":"2026-11-10T03:19:20.087Z","receipt_schema_version":"0.4","job_summary":"MCP tool execution: 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LeadSignal is live (and it found nothing)\n\nHi [Name],\n\nI’m skipping the usual pleasantries to share a specific update on Zambo’s launch status: the LeadSignal tool is operational, but it currently returns zero results for your test markets.\n\nWe ran a test query for web designers in Austin, TX. The system executed the search, checked its internal database, and confirmed no source-backed leads exist for that specific trade and location right now. This is a critical distinction. The tool did not fail; it accurately reported an empty dataset.\n\nThis outcome validates two things. First, the infrastructure is stable. The API responded correctly, processing the request without error. Second, the data integrity is strict. LeadSignal refuses to hallucinate contacts. If it can’t find a verified, source-backed lead, it tells you there are none. We would rather show you an empty result than invent a fake customer.\n\nWe have not sent any outreach. We have not created any fictitious names. The system is ready for production use, but only where the underlying data supports it.\n\nYour next step is to identify a high-density market. Austin may currently lack indexed web designers in our dataset. Try a different city or a different trade, such as roofing in Phoenix, to test the tool against a market with higher lead density.\n\nI have attached the receipt link from the Austin test. It proves the system ran and returned a clean \"no results\" status. Use this to verify the tool’s honesty. Then, run a new search in a market you believe has volume.\n\nLet me know when you have a new city and trade combination you want to test. I’ll run it and share the results.\n\nBest,\n\n[Your Name]\nZambo Team","result_preview_integrity":"display_only_not_committed","result_preview_truncated":false,"input_hash":"sha256:5c04e0cffa218a1d8b225fabbf75efb9b1cce0b0ebbaf844b1af6b29f8b7d9de","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":"4.0.0","scope":"public"},"caller":{"type":"session","id":"sha256:6f28132814f9f7fb2f7f06cb8cf6fc123c0b0b238874075cd955333db918b073","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":"sha256:7ae1f7db72072f2ca9c97a861b8bbba5a699d8b6e3f951df4f3f31074606825a","anchor":{"event_id":"45e42b81b1cc5c23d65b5d534f2cff358bfbe96e142be8a710810f8cbbc6af19","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.primal.net"],"status":"published","published_at":"2026-11-10T03:19:20.620Z","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":"2026-11-10T03:19:20.087Z","evidence_url":null,"receipt_uuid":"5fec4a15-c2db-45ba-a3cf-982b268508cd","output_sha256":"sha256:13b75a2beb1fd47c609652a985ad7b4ab6ce708d92ab6f971833ef7cf0b93116","schema_version":"zambo-receipt-anchor/1","evidence_sha256":null,"evidence_byte_length":null},"envelope_bytes":"{\"anchored_at\":\"2026-11-10T03:19:20.087Z\",\"evidence_byte_length\":null,\"evidence_sha256\":null,\"evidence_url\":null,\"output_sha256\":\"sha256:13b75a2beb1fd47c609652a985ad7b4ab6ce708d92ab6f971833ef7cf0b93116\",\"receipt_uuid\":\"5fec4a15-c2db-45ba-a3cf-982b268508cd\",\"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":"2026-11-10T03:19:20.087Z","detail":"The receipt store reports 2026-11-10T03:19:20.087Z; 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:dac783e4e92dca7fe00882a1174e477f4b3bacd20d1b082b0506461ddfd9bab8"}}},"evidence_status":"empty","verification_status":"verified","checks":{"commitment_matches":{"status":"pass","passed":true,"expected_hash":"sha256:13b75a2beb1fd47c609652a985ad7b4ab6ce708d92ab6f971833ef7cf0b93116","computed_hash":"sha256:13b75a2beb1fd47c609652a985ad7b4ab6ce708d92ab6f971833ef7cf0b93116","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."}}}