{"api_version":2,"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","id":"560c2d8b-d1cf-4b73-a7cb-7be7c1d5a152","source_url":"https://zambo.dev/api/receipt/560c2d8b-d1cf-4b73-a7cb-7be7c1d5a152","receipt":{"id":"560c2d8b-d1cf-4b73-a7cb-7be7c1d5a152","created_at":"2026-10-19T03:03:00.522Z","receipt_schema_version":"0.4","job_summary":"MCP tool execution: bill_audit","tools":["bill_audit"],"steps":[{"tool":"bill_audit","status":"success","started_at":"2026-10-19T03:03:00.007Z","completed_at":"2026-10-19T03:03:00.522Z"}],"output_hash":"sha256:4c089869e9ff0c50c27794677fd9c75660ffc05f5fa69da5003fffc7ae27a688","hash_algorithm":"sha256","canonical_bytes":"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","canonical_bytes_withheld_for_privacy":false,"canonical_byte_length":1618,"verification_status":"verified","session_trail":[],"result_preview":"{\"potential_errors\":[{\"item\":\"Unclear line items\",\"issue\":\"A bill without an itemized breakdown cannot be independently verified.\",\"estimated_impact\":\"Unknown\"}],\"negotiation_script\":\"I'd like an itemized explanation of each charge, the rate used, and any discounts or credits that were applied. Please also confirm whether there is a lower-cost plan that meets my needs.\",\"estimated_savings\":\"Unknown until the itemized bill and comparable plans are reviewed.\",\"best_approach\":\"Request the itemized bill first, then compare each charge with the contract or published rate.\",\"[REDACTED_SECRET]\":[\"Ask for itemization\",\"Reference the written agreement\",\"Request retention or loyalty discounts\"],\"escalation_path\":\"Front-line support → billing supervisor → written dispute through the provider's official channel.\",\"verdict\":\"Verify the charges before disputing them; do not rely on an estimate without the full bill.\",\"disclaimer\":\"AI analysis — verify all charges with your provider before disputing.\",\"fallback\":true,\"note\":\"AI generation was unavailable, so a transparent verification checklist is shown.\"}","result_preview_integrity":"display_only_not_committed","result_preview_truncated":false,"input_hash":"sha256:f62cb4558222f67717f6da5ec13be24993216914742f7830c379172abf0e011e","input_hash_layout":"zambo-json-sorted-keys-utf8-v1","free_used":0,"free_remaining":0,"free_limit":0,"signal_handle":null,"tool":{"name":"bill_audit","version":"4.0.0","scope":"public"},"caller":{"type":"anonymous","id":"sha256:831c0b63a8e508a6e53738c083ac40181438af8f6d1b1be7ea56ff0cfa7668a9","basis":"ip_ua_30d","rotates_at":"2026-11-03T00:00:00.000Z"},"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":"no_upstream_bytes_captured","external_evidence":[],"provenance":null,"provenance_class":"EXECUTED BY ZAMBO","metadata_hash":"sha256:acc6eb171452c52423fe82b7a1b601deb5bc8f6265bd15f99fbf9560e2db404a","anchor":{"event_id":"fb0ed5382f9704b1c08e908e3243180880d563354275e9f0027c45d7b458f71a","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.damus.io","wss://nos.lol","wss://relay.primal.net"],"status":"partial","published_at":"2026-10-19T03:03:01.630Z","schema_version":"zambo-receipt-anchor/1","envelope":{"anchored_at":"2026-10-19T03:03:00.522Z","evidence_url":null,"receipt_uuid":"560c2d8b-d1cf-4b73-a7cb-7be7c1d5a152","output_sha256":"sha256:4c089869e9ff0c50c27794677fd9c75660ffc05f5fa69da5003fffc7ae27a688","schema_version":"zambo-receipt-anchor/1","evidence_sha256":null,"evidence_byte_length":null},"envelope_bytes":"{\"anchored_at\":\"2026-10-19T03:03:00.522Z\",\"evidence_byte_length\":null,\"evidence_sha256\":null,\"evidence_url\":null,\"output_sha256\":\"sha256:4c089869e9ff0c50c27794677fd9c75660ffc05f5fa69da5003fffc7ae27a688\",\"receipt_uuid\":\"560c2d8b-d1cf-4b73-a7cb-7be7c1d5a152\",\"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":"2026-10-19T03:03:00.522Z","detail":"The receipt store reports 2026-10-19T03:03:00.522Z; 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":"sha256:4c089869e9ff0c50c27794677fd9c75660ffc05f5fa69da5003fffc7ae27a688","computed_hash":"sha256:4c089869e9ff0c50c27794677fd9c75660ffc05f5fa69da5003fffc7ae27a688","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."}}}