{"api_version":2,"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","id":"efb8821d-cf19-422c-8656-6dd58589051e","source_url":"https://zambo.dev/api/receipt/efb8821d-cf19-422c-8656-6dd58589051e","receipt":{"id":"efb8821d-cf19-422c-8656-6dd58589051e","created_at":"2026-10-18T13:13:47.919Z","receipt_schema_version":"0.4","job_summary":"MCP tool execution: zambo_check","tools":["zambo_check"],"steps":[{"tool":"zambo_check","status":"success","started_at":"2026-10-18T13:13:47.604Z","completed_at":"2026-10-18T13:13:47.919Z"}],"output_hash":"sha256:e97734d4f528443fc5b48ef8105324326d9ca923a90762ea30950662e4562ec0","hash_algorithm":"sha256","canonical_bytes":"eyJjYWxsZXIiOnsiYmFzaXMiOiJpcF91YV8zMGQiLCJpZCI6InNoYTI1Njo3MTFlZGFkNWI1ZDQxOThjMGEyMjIwOGIyNDBkMTVlYWZhY2MzNDg1MzFlYjcwNDVjNmJlOTI0NGZhNTI4MmZmIiwicm90YXRlc19hdCI6IjIwMjYtMTEtMDNUMDA6MDA6MDAuMDAwWiIsInR5cGUiOiJhbm9ueW1vdXMifSwiaXNzdWVyX2NsYWltcyI6eyJwcm92ZW5hbmNlX2NsYXNzIjoiRVhFQ1VURUQgQlkgWkFNQk8ifSwib3V0cHV0Ijp7ImFzc2VydGlvbl9zdGF0ZSI6eyJjbGFpbWVkIjpmYWxzZSwib2JzZXJ2ZWQiOnRydWUsInNjb3BlIjoibm90IGluZGVwZW5kZW50bHkgdmVyaWZpZWQiLCJ2ZXJpZmllZCI6ZmFsc2V9LCJjb25maWRlbmNlIjoibWVkaXVtIiwiY29uZmxpY3RzIjpbXSwiZXZpZGVuY2UiOlt7ImNvbnRlbnRfdHlwZSI6InRleHQvaHRtbDsgY2hhcnNldD11dGYtOCIsImZldGNoZWRfYXQiOiIyMDI2LTEwLTE4VDEzOjEzOjQ3LjYzNVoiLCJodHRwX3N0YXR1cyI6MjAwLCJpZCI6Imh0dHBfMWJlZGM5ODQ1ODhkIiwia2luZCI6Imh0dHBfb2JzZXJ2YXRpb24iLCJvYnNlcnZlZCI6IlB1YmxpYyBlbmRwb2ludCByZXNwb25kZWQgd2l0aCBIVFRQIDIwMC4iLCJzY29wZSI6InJlYWNoYWJpbGl0eSwgcmVzcG9uc2UgbWV0YWRhdGEsIHBhZ2UgdGl0bGUvZGVzY3JpcHRpb24sIGFuZCBjb250ZW50IGhhc2giLCJzaGEyNTYiOiIzMGQ0ODNiZmI2ZDBkNDVlYTZlMGI0MTQxZjY4MGU3MjVhYmE2YzdkNzhiYjc5MjNkMWViMzZhNTllOTlhMDcwIiwic291cmNlIjoiaHR0cHM6Ly96YW1iby5kZXYvdmVyaWZ5LyJ9LHsiaWQiOiJvYnNlcnZlZF9hNDRmOTc4NDkyNWEiLCJraW5kIjoiZXhlY3V0aW9uX3JlY2VpcHQiLCJvYnNlcnZlZCI6IlRoZSBzdXBwbGllZCBjb250ZXh0IGluZGljYXRlcyB0aGUgb3BlcmF0aW9uIHdhcyBvYnNlcnZlZCwgYnV0IGRvZXMgbm90IGVzdGFibGlzaCBpbmRlcGVuZGVudCB2ZXJpZmljYXRpb24uIiwic2NvcGUiOiJob3N0LXJlcG9ydGVkIGV4ZWN1dGlvbiBzdGF0ZSJ9XSwiZnJlc2huZXNzIjp7ImNoZWNrZWRfYXQiOiIyMDI2LTEwLTE4VDEzOjEzOjQ3Ljc3NVoiLCJuZXdlc3Rfc291cmNlX2F0IjoiMjAyNi0xMC0xOFQxMzoxMzo0Ny42MzVaIiwic291cmNlX2NvdW50IjoxfSwibWV0YSI6eyJjYWNoZV9oaXQiOmZhbHNlLCJjaGVja190eXBlIjoiZXhlY3V0aW9uIiwiZnJlZV9saW1pdCI6IjIwL2RheS9JUCIsImxhdGVuY3lfbXMiOjE0MCwidG9vbF9jYWxscyI6MCwidXBzdHJlYW1fbGF0ZW5jeV9tcyI6MTQwfSwibmV4dF9hY3Rpb24iOiJ2ZXJpZnkiLCJuZXh0X2NhcGFiaWxpdHkiOiJ6YW1ib19jaGVjayIsInByb29mIjp7Imhhc2giOiI3Mjc5YTg2ZTQxNmVhMzhhNzg3Y2M0NzM5NTVjM2E4MjBjOWE2N2IxMGFjOWM0M2RmODFkOGQ2MzZmNWI5ZDYxIiwiaW5kZXBlbmRlbnRseV92ZXJpZmlhYmxlIjpmYWxzZSwibm90ZSI6IlRoaXMgaGFzaCBpcyBub3QgYSBwZXJzaXN0ZWQgcHJvb2YgY2VydGlmaWNhdGUuIFVzZSB0aGUgZGVkaWNhdGVkIHByb29mIGNhcGFiaWxpdHkgb25seSB3aGVuIGEgZHVyYWJsZSBjZXJ0aWZpY2F0ZSBpcyBleHBsaWNpdGx5IHJlcXVlc3RlZC4iLCJyZWNvcmRlZF9hdCI6IjIwMjYtMTAtMThUMTM6MTM6NDcuNzc1WiIsInNjb3BlIjoiaW50ZWdyaXR5IG9mIHRoaXMgY2hlY2sgcmVzcG9uc2UgYW5kIGl0cyBvYnNlcnZlZCBldmlkZW5jZTsgbm90IGEgdW5pdmVyc2FsIHRydXRoIGNlcnRpZmljYXRlIiwidHlwZSI6ImludGVncml0eV9oYXNoIn0sInByb3ZlbmFuY2UiOnsibGltaXRhdGlvbnMiOlsiQSByZWFjaGFibGUgc291cmNlIGlzIG5vdCBwcm9vZiB0aGF0IGl0cyBjbGFpbXMgYXJlIHRydWUuIiwiQ2FsbGVyLXN1cHBsaWVkIGNsYWltZWQvdmVyaWZpZWQgZmllbGRzIGFyZSBub3QgaW5kZXBlbmRlbnRseSBhdXRoZW50aWNhdGVkLiJdLCJtZXRob2QiOiJkZXRlcm1pbmlzdGljIG9ic2VydmF0aW9ucyBwbHVzIGNhbGxlci1zdXBwbGllZCBjb250ZXh0Iiwic291cmNlcyI6WyJodHRwczovL3phbWJvLmRldi92ZXJpZnkvIl19LCJyZWFzb24iOiJUaGUgb3BlcmF0aW9uIGlzIGNsYWltZWQgb3Igb2JzZXJ2ZWQsIG5vdCBpbmRlcGVuZGVudGx5IHZlcmlmaWVkLiIsInJlY29tbWVuZGVkX2FjdGlvbiI6InZlcmlmeV9tb3JlIiwicmlzayI6eyJhcHByb3ZhbF9yZXF1aXJlZCI6dHJ1ZSwibGV2ZWwiOiJoaWdoIiwicmVhc29ucyI6WyJUaGUgcmVxdWVzdCBjb25jZXJucyBhbiBleHRlcm5hbCBhY3Rpb24gb3IgZXhlY3V0aW9uOyBaYW1ibyBkb2VzIG5vdCBhdXRob3JpemUgaXQgZnJvbSBhIG5hdHVyYWwtbGFuZ3VhZ2UgcmVxdWVzdCBhbG9uZS4iXSwicmV2ZXJzaWJsZSI6Iltwcml2YXRlXSIsInNpZGVfZWZmZWN0cyI6dHJ1ZX0sInN0YXR1cyI6InVuY2VydGFpbiIsInphbWJvIjp7ImNhcGFiaWxpdHkiOiJ6YW1ib19jaGVjayIsIm1jcF9hdmFpbGFibGUiOnRydWUsIm5leHRfY2FwYWJpbGl0eSI6InphbWJvX2NoZWNrIn19LCJyZWNlaXB0X3NjaGVtYV92ZXJzaW9uIjoiMC40Iiwic2lkZV9lZmZlY3RzIjp7ImRlY2xhcmF0aW9uX2hhc2giOiJzaGEyNTY6NDVhYWQzOGYzYWE5ODJiOWFhZmU5MmVjYjQxNmViZTk4NzkxZWRkYmFmOGFiNmRmMGJkMDg2MDViN2MxYmZlZSIsImRlY2xhcmVkIjpbIm5vbmUiXSwic2NoZW1hX3ZlcnNpb24iOiJ6YW1iby1zaWRlLWVmZmVjdHMvMSJ9LCJ0b29sIjp7Im5hbWUiOiJ6YW1ib19jaGVjayIsInNjb3BlIjoicHVibGljIiwidmVyc2lvbiI6IjQuMC4wIn19","canonical_bytes_withheld_for_privacy":false,"canonical_byte_length":2754,"verification_status":"verified","session_trail":[],"result_preview":"{\"status\":\"uncertain\",\"confidence\":\"medium\",\"reason\":\"The operation is claimed or observed, not independently verified.\",\"evidence\":[{\"id\":\"http_1bedc984588d\",\"kind\":\"http_observation\",\"source\":\"https://zambo.dev/verify/\",\"observed\":\"Public endpoint responded with HTTP 200.\",\"scope\":\"reachability, response metadata, page title/description, and content hash\",\"fetched_at\":\"2026-10-18T13:13:47.635Z\",\"http_status\":200,\"content_type\":\"text/html; charset=utf-8\",\"sha256\":\"30d483bfb6d0d45ea6e0b4141f680e725aba6c7d78bb7923d1eb36a59e99a070\"},{\"id\":\"observed_a44f9784925a\",\"kind\":\"execution_receipt\",\"observed\":\"The supplied context indicates the operation was observed, but does not establish independent verification.\",\"scope\":\"host-reported execution state\"}],\"assertion_state\":{\"claimed\":false,\"observed\":true,\"verified\":false,\"scope\":\"not independently verified\"},\"freshness\":{\"checked_at\":\"2026-10-18T13:13:47.775Z\",\"source_count\":1,\"newest_source_at\":\"2026-10-18T13:13:47.635Z\"},\"conflicts\":[],\"risk\":{\"level\":\"high\",\"side_effects\":true,\"reversible\":\"[private]\",\"approval_required\":true,\"reasons\":[\"The request concerns an external action or execution; Zambo does not authorize it from a natural-language request alone.\"]},\"provenance\":{\"method\":\"deterministic observations plus caller-supplied context\",\"sources\":[\"https://zambo.dev/verify/\"],\"limitations\":[\"A reachable source is not proof that its claims are true.\",\"Caller-supplied claimed/verified fields are not independently authenticated.\"]},\"recommended_action\":\"verify_more\",\"next_action\":\"verify\",\"proof\":{\"type\":\"integrity_hash\",\"hash\":\"7279a86e416ea38a787cc473955c3a820c9a67b10ac9c43df81d8d636f5b9d61\",\"recorded_at\":\"2026-10-18T13:13:47.775Z\",\"scope\":\"integrity of this check response and its observed evidence; not a universal truth certificate\",\"independently_verifiable\":false,\"note\":\"This hash is not a persisted proof certificate. Use the dedicated proof capability only when a durable certificate is explicitly requested.\"},\"next_capability\":\"zambo_check\",\"zambo\":{\"capability\":\"zambo_check\",\"next_capability\":\"zambo_check\",\"mcp_available\":true},\"meta\":{\"check_type\":\"execution\",\"latency_ms\":140,\"tool_calls\":0,\"upstream_latency_ms\":140,\"cache_hit\":false,\"free_limit\":\"20/day/IP\"}}","result_preview_integrity":"display_only_not_committed","result_preview_truncated":false,"input_hash":"sha256:8b569dbe21b3745f2ef300610a76718541bdadd324e2be9c54e0faf5b4642726","input_hash_layout":"zambo-json-sorted-keys-utf8-v1","free_used":1,"free_remaining":19,"free_limit":20,"signal_handle":null,"tool":{"name":"zambo_check","version":"4.0.0","scope":"public"},"caller":{"type":"anonymous","id":"sha256:711edad5b5d4198c0a22208b240d15eafacc348531eb7045c6be9244fa5282ff","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":"sha256:83214ec1c358fa0b75865ba6df29a568f3d9eb63095998d23ce7e0dd69dac412","evidence_url":"/api/evidence/83214ec1c358fa0b75865ba6df29a568f3d9eb63095998d23ce7e0dd69dac412","evidence_byte_length":2275,"evidence_content_type":"application/json","evidence_source_url":null,"evidence_status":"captured","external_evidence":[],"provenance":null,"provenance_class":"EXECUTED BY ZAMBO","metadata_hash":"sha256:59e2dddf480507aafb9093d318216ec89a762d98966b33153f1c345075277637","anchor":{"event_id":"07527ab50c5e64b6db904ebfa5906e83075b9dcc37de513e733072d3bbd8886b","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.damus.io","wss://nos.lol","wss://relay.primal.net"],"status":"partial","published_at":"2026-10-18T13:13:48.815Z","schema_version":"zambo-receipt-anchor/1","envelope":{"anchored_at":"2026-10-18T13:13:47.919Z","evidence_url":"https://zambo.dev/api/evidence/83214ec1c358fa0b75865ba6df29a568f3d9eb63095998d23ce7e0dd69dac412","receipt_uuid":"efb8821d-cf19-422c-8656-6dd58589051e","output_sha256":"sha256:e97734d4f528443fc5b48ef8105324326d9ca923a90762ea30950662e4562ec0","schema_version":"zambo-receipt-anchor/1","evidence_sha256":"sha256:83214ec1c358fa0b75865ba6df29a568f3d9eb63095998d23ce7e0dd69dac412","evidence_byte_length":2275},"envelope_bytes":"{\"anchored_at\":\"2026-10-18T13:13:47.919Z\",\"evidence_byte_length\":2275,\"evidence_sha256\":\"sha256:83214ec1c358fa0b75865ba6df29a568f3d9eb63095998d23ce7e0dd69dac412\",\"evidence_url\":\"https://zambo.dev/api/evidence/83214ec1c358fa0b75865ba6df29a568f3d9eb63095998d23ce7e0dd69dac412\",\"output_sha256\":\"sha256:e97734d4f528443fc5b48ef8105324326d9ca923a90762ea30950662e4562ec0\",\"receipt_uuid\":\"efb8821d-cf19-422c-8656-6dd58589051e\",\"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":"2026-10-18T13:13:47.919Z","detail":"The receipt store reports 2026-10-18T13:13:47.919Z; 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:e97734d4f528443fc5b48ef8105324326d9ca923a90762ea30950662e4562ec0","computed_hash":"sha256:e97734d4f528443fc5b48ef8105324326d9ca923a90762ea30950662e4562ec0","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."}}}