{"api_version":2,"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","id":"dec2ec8b-7a05-431a-a9bb-17338a00a004","source_url":"https://zambo.dev/api/receipt/dec2ec8b-7a05-431a-a9bb-17338a00a004","receipt":{"id":"dec2ec8b-7a05-431a-a9bb-17338a00a004","created_at":"2026-10-25T15:28:19.187Z","receipt_schema_version":"0.4","job_summary":"MCP tool execution: zambo_check","tools":["zambo_check"],"steps":[{"tool":"zambo_check","status":"success","started_at":"2026-10-25T15:28:18.657Z","completed_at":"2026-10-25T15:28:19.187Z"}],"output_hash":"sha256:76f541753a7db1c21d66c38864effa45a0ab6318a8a8fc3c303b5e3d6be5f610","hash_algorithm":"sha256","canonical_bytes":"eyJjYWxsZXIiOnsiYmFzaXMiOiJpcF91YV8zMGQiLCJpZCI6InNoYTI1Njo1ZDZlYmY2NDMxNmI3MmVhNzk0NzcwYjlhNTFiNTk4MjkxMzVkNzJjZTFkNWYyYjNjNzFmYmEzN2RlZTRlNDUzIiwicm90YXRlc19hdCI6IjIwMjYtMTEtMDNUMDA6MDA6MDAuMDAwWiIsInR5cGUiOiJhbm9ueW1vdXMifSwiaXNzdWVyX2NsYWltcyI6eyJwcm92ZW5hbmNlX2NsYXNzIjoiRVhFQ1VURUQgQlkgWkFNQk8ifSwib3V0cHV0Ijp7ImFzc2VydGlvbl9zdGF0ZSI6eyJjbGFpbWVkIjpmYWxzZSwib2JzZXJ2ZWQiOnRydWUsInNjb3BlIjoidmVyaWZpZWQgb25seSB3aXRoaW4gdGhlIHN0YXRlZCBjaGVjayBtZXRob2QgYW5kIGV2aWRlbmNlIHNjb3BlIiwidmVyaWZpZWQiOnRydWV9LCJjb25maWRlbmNlIjoibWVkaXVtIiwiY29uZmxpY3RzIjpbXSwiZXZpZGVuY2UiOlt7ImNvbnRlbnRfdHlwZSI6ImFwcGxpY2F0aW9uL2pzb247IGNoYXJzZXQ9dXRmLTgiLCJmZXRjaGVkX2F0IjoiMjAyNi0xMC0yNVQxNToyODoxOC42OTRaIiwiaHR0cF9zdGF0dXMiOjIwMCwiaWQiOiJodHRwXzVlNjAzMTI4NWMxZCIsImtpbmQiOiJodHRwX29ic2VydmF0aW9uIiwib2JzZXJ2ZWQiOiJQdWJsaWMgZW5kcG9pbnQgcmVzcG9uZGVkIHdpdGggSFRUUCAyMDAuIiwic2NvcGUiOiJyZWFjaGFiaWxpdHksIHJlc3BvbnNlIG1ldGFkYXRhLCBhbmQgY29udGVudCBoYXNoIiwic2hhMjU2IjoiNjhjMzU2MTZhNzQ3ZTE1YzNiMDUwODgyY2Q5ZDYxYjdiODc5OWVjZjJkMDRkMjg1N2NhYmM2Mjc0MzU4OWZkZCIsInNvdXJjZSI6Imh0dHBzOi8vemFtYm8uZGV2L2FwaS92Mi9yZWNlaXB0LzJlZWE1OWExLTRhOTctNGJiMi04YmFjLTE3ZmZlY2YxYzNkNi92ZXJpZnkifSx7ImNvbnRlbnRfdHlwZSI6InRleHQvaHRtbDsgY2hhcnNldD11dGYtOCIsImZldGNoZWRfYXQiOiIyMDI2LTEwLTI1VDE1OjI4OjE4LjY5NVoiLCJodHRwX3N0YXR1cyI6MjAwLCJpZCI6Imh0dHBfZGQ3MDBmZThlOTE0Iiwia2luZCI6Imh0dHBfb2JzZXJ2YXRpb24iLCJvYnNlcnZlZCI6IlB1YmxpYyBlbmRwb2ludCByZXNwb25kZWQgd2l0aCBIVFRQIDIwMC4iLCJzY29wZSI6InJlYWNoYWJpbGl0eSwgcmVzcG9uc2UgbWV0YWRhdGEsIHBhZ2UgdGl0bGUvZGVzY3JpcHRpb24sIGFuZCBjb250ZW50IGhhc2giLCJzaGEyNTYiOiJhNGRmNmYxZjk5MGFkNDI5Nzc1OWFkYjFkOTZiOWI5MTA3MzQ2ODNjYWRmYTMyYzdhMWEzYWZmNzRlMWNiMDljIiwic291cmNlIjoiaHR0cHM6Ly96YW1iby5kZXYvcnVuLzJlZWE1OWExLTRhOTctNGJiMi04YmFjLTE3ZmZlY2YxYzNkNiJ9XSwiZnJlc2huZXNzIjp7ImNoZWNrZWRfYXQiOiIyMDI2LTEwLTI1VDE1OjI4OjE5LjAzM1oiLCJuZXdlc3Rfc291cmNlX2F0IjoiMjAyNi0xMC0yNVQxNToyODoxOC42OTVaIiwic291cmNlX2NvdW50IjoyfSwibWV0YSI6eyJjYWNoZV9oaXQiOmZhbHNlLCJjaGVja190eXBlIjoicHJvdmVuYW5jZSIsImZyZWVfbGltaXQiOiIyMC9kYXkvSVAiLCJsYXRlbmN5X21zIjozMzksInRvb2xfY2FsbHMiOjAsInVwc3RyZWFtX2xhdGVuY3lfbXMiOjMzOX0sIm5leHRfYWN0aW9uIjoibm9uZSIsIm5leHRfY2FwYWJpbGl0eSI6bnVsbCwicHJvb2YiOnsiaGFzaCI6IjdhMDE3YWI1OTdiYjhiNTkxOWU3NmExMzhjNDJkOWQyNTdmMjVmNWNjOTJhMTk4ZGI4ODc4N2JlYTU2YTY1MzUiLCJpbmRlcGVuZGVudGx5X3ZlcmlmaWFibGUiOmZhbHNlLCJub3RlIjoiVGhpcyBoYXNoIGlzIG5vdCBhIHBlcnNpc3RlZCBwcm9vZiBjZXJ0aWZpY2F0ZS4gVXNlIHRoZSBkZWRpY2F0ZWQgcHJvb2YgY2FwYWJpbGl0eSBvbmx5IHdoZW4gYSBkdXJhYmxlIGNlcnRpZmljYXRlIGlzIGV4cGxpY2l0bHkgcmVxdWVzdGVkLiIsInJlY29yZGVkX2F0IjoiMjAyNi0xMC0yNVQxNToyODoxOS4wMzNaIiwic2NvcGUiOiJpbnRlZ3JpdHkgb2YgdGhpcyBjaGVjayByZXNwb25zZSBhbmQgaXRzIG9ic2VydmVkIGV2aWRlbmNlOyBub3QgYSB1bml2ZXJzYWwgdHJ1dGggY2VydGlmaWNhdGUiLCJ0eXBlIjoiaW50ZWdyaXR5X2hhc2gifSwicHJvdmVuYW5jZSI6eyJsaW1pdGF0aW9ucyI6WyJBIHJlYWNoYWJsZSBzb3VyY2UgaXMgbm90IHByb29mIHRoYXQgaXRzIGNsYWltcyBhcmUgdHJ1ZS4iLCJDYWxsZXItc3VwcGxpZWQgY2xhaW1lZC92ZXJpZmllZCBmaWVsZHMgYXJlIG5vdCBpbmRlcGVuZGVudGx5IGF1dGhlbnRpY2F0ZWQuIl0sIm1ldGhvZCI6ImRldGVybWluaXN0aWMgb2JzZXJ2YXRpb25zIHBsdXMgY2FsbGVyLXN1cHBsaWVkIGNvbnRleHQiLCJzb3VyY2VzIjpbImh0dHBzOi8vemFtYm8uZGV2L2FwaS92Mi9yZWNlaXB0LzJlZWE1OWExLTRhOTctNGJiMi04YmFjLTE3ZmZlY2YxYzNkNi92ZXJpZnkiLCJodHRwczovL3phbWJvLmRldi9ydW4vMmVlYTU5YTEtNGE5Ny00YmIyLThiYWMtMTdmZmVjZjFjM2Q2Il19LCJyZWFzb24iOiJaYW1ibyB2ZXJpZmllZCB0aGF0IHRoZSBzdXBwbGllZCBwdWJsaWMgc291cmNlIHdhcyByZWFjaGFibGUgYW5kIHJlY29yZGVkIGl0cyByZXNwb25zZSBoYXNoIGF0IHRoZSBjaGVjayB0aW1lLiBUaGlzIGRvZXMgbm90IHByb3ZlIHRoZSBzb3VyY2UgaXMgdHJ1dGhmdWwuIiwicmVjb21tZW5kZWRfYWN0aW9uIjoicHJvY2VlZCIsInJpc2siOnsiYXBwcm92YWxfcmVxdWlyZWQiOmZhbHNlLCJsZXZlbCI6ImxvdyIsInJlYXNvbnMiOltdLCJyZXZlcnNpYmxlIjoiW3ByaXZhdGVdIiwic2lkZV9lZmZlY3RzIjpmYWxzZX0sInN0YXR1cyI6InZlcmlmaWVkIiwiemFtYm8iOnsiY2FwYWJpbGl0eSI6InphbWJvX2NoZWNrIiwibWNwX2F2YWlsYWJsZSI6dHJ1ZSwibmV4dF9jYXBhYmlsaXR5IjpudWxsfX0sInJlY2VpcHRfc2NoZW1hX3ZlcnNpb24iOiIwLjQiLCJzaWRlX2VmZmVjdHMiOnsiZGVjbGFyYXRpb25faGFzaCI6InNoYTI1Njo0NWFhZDM4ZjNhYTk4MmI5YWFmZTkyZWNiNDE2ZWJlOTg3OTFlZGRiYWY4YWI2ZGYwYmQwODYwNWI3YzFiZmVlIiwiZGVjbGFyZWQiOlsibm9uZSJdLCJzY2hlbWFfdmVyc2lvbiI6InphbWJvLXNpZGUtZWZmZWN0cy8xIn0sInRvb2wiOnsibmFtZSI6InphbWJvX2NoZWNrIiwic2NvcGUiOiJwdWJsaWMiLCJ2ZXJzaW9uIjoiNC4wLjAifX0=","canonical_bytes_withheld_for_privacy":false,"canonical_byte_length":3098,"verification_status":"verified","session_trail":[],"result_preview":"{\"status\":\"verified\",\"confidence\":\"medium\",\"reason\":\"Zambo verified that the supplied public source was reachable and recorded its response hash at the check time. This does not prove the source is truthful.\",\"evidence\":[{\"id\":\"http_5e6031285c1d\",\"kind\":\"http_observation\",\"source\":\"https://zambo.dev/api/v2/receipt/2eea59a1-4a97-4bb2-8bac-17ffecf1c3d6/verify\",\"observed\":\"Public endpoint responded with HTTP 200.\",\"scope\":\"reachability, response metadata, and content hash\",\"fetched_at\":\"2026-10-25T15:28:18.694Z\",\"http_status\":200,\"content_type\":\"application/json; charset=utf-8\",\"sha256\":\"68c35616a747e15c3b050882cd9d61b7b8799ecf2d04d2857cabc62743589fdd\"},{\"id\":\"http_dd700fe8e914\",\"kind\":\"http_observation\",\"source\":\"https://zambo.dev/run/2eea59a1-4a97-4bb2-8bac-17ffecf1c3d6\",\"observed\":\"Public endpoint responded with HTTP 200.\",\"scope\":\"reachability, response metadata, page title/description, and content hash\",\"fetched_at\":\"2026-10-25T15:28:18.695Z\",\"http_status\":200,\"content_type\":\"text/html; charset=utf-8\",\"sha256\":\"a4df6f1f990ad4297759adb1d96b9b910734683cadfa32c7a1a3aff74e1cb09c\"}],\"assertion_state\":{\"claimed\":false,\"observed\":true,\"verified\":true,\"scope\":\"verified only within the stated check method and evidence scope\"},\"freshness\":{\"checked_at\":\"2026-10-25T15:28:19.033Z\",\"source_count\":2,\"newest_source_at\":\"2026-10-25T15:28:18.695Z\"},\"conflicts\":[],\"risk\":{\"level\":\"low\",\"side_effects\":false,\"reversible\":\"[private]\",\"approval_required\":false,\"reasons\":[]},\"provenance\":{\"method\":\"deterministic observations plus caller-supplied context\",\"sources\":[\"https://zambo.dev/api/v2/receipt/2eea59a1-4a97-4bb2-8bac-17ffecf1c3d6/verify\",\"https://zambo.dev/run/2eea59a1-4a97-4bb2-8bac-17ffecf1c3d6\"],\"limitations\":[\"A reachable source is not proof that its claims are true.\",\"Caller-supplied claimed/verified fields are not independently authenticated.\"]},\"recommended_action\":\"proceed\",\"next_action\":\"none\",\"proof\":{\"type\":\"integrity_hash\",\"hash\":\"7a017ab597bb8b5919e76a138c42d9d257f25f5cc92a198db88787bea56a6535\",\"recorded_at\":\"2026-10-25T15:28:19.033Z\",\"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\":null,\"zambo\":{\"capability\":\"zambo_check\",\"next_capability\":null,\"mcp_available\":true},\"meta\":{\"check_type\":\"provenance\",\"latency_ms\":339,\"tool_calls\":0,\"upstream_latency_ms\":339,\"cache_hit\":false,\"free_limit\":\"20/day/IP\"}}","result_preview_integrity":"display_only_not_committed","result_preview_truncated":false,"input_hash":"sha256:e5606269a283865ce68faf7a077194a6d6acbd93fd4ef5d06d3d6bdef50bdedb","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":"sha256:5d6ebf64316b72ea794770b9a51b59829135d72ce1d5f2b3c71fba37dee4e453","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:e9261227a48f79b022c9f7af08fc3a1ef9dc5feced7ec9e6586bbf927b14178c","evidence_url":"/api/evidence/e9261227a48f79b022c9f7af08fc3a1ef9dc5feced7ec9e6586bbf927b14178c","evidence_byte_length":2619,"evidence_content_type":"application/json","evidence_source_url":null,"evidence_status":"captured","external_evidence":[],"provenance":null,"provenance_class":"EXECUTED BY ZAMBO","metadata_hash":"sha256:26a8c27a0f60b49edd2ef3eda514f93f79333358db93926fa458475a107e28da","anchor":{"event_id":"0ac507f269d29d810642be4bf5c3e72af04ddb9a069ba0d1258eb06556e60140","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.damus.io","wss://nos.lol","wss://relay.primal.net"],"status":"partial","published_at":"2026-10-25T15:28:19.953Z","schema_version":"zambo-receipt-anchor/1","envelope":{"anchored_at":"2026-10-25T15:28:19.187Z","evidence_url":"https://zambo.dev/api/evidence/e9261227a48f79b022c9f7af08fc3a1ef9dc5feced7ec9e6586bbf927b14178c","receipt_uuid":"dec2ec8b-7a05-431a-a9bb-17338a00a004","output_sha256":"sha256:76f541753a7db1c21d66c38864effa45a0ab6318a8a8fc3c303b5e3d6be5f610","schema_version":"zambo-receipt-anchor/1","evidence_sha256":"sha256:e9261227a48f79b022c9f7af08fc3a1ef9dc5feced7ec9e6586bbf927b14178c","evidence_byte_length":2619},"envelope_bytes":"{\"anchored_at\":\"2026-10-25T15:28:19.187Z\",\"evidence_byte_length\":2619,\"evidence_sha256\":\"sha256:e9261227a48f79b022c9f7af08fc3a1ef9dc5feced7ec9e6586bbf927b14178c\",\"evidence_url\":\"https://zambo.dev/api/evidence/e9261227a48f79b022c9f7af08fc3a1ef9dc5feced7ec9e6586bbf927b14178c\",\"output_sha256\":\"sha256:76f541753a7db1c21d66c38864effa45a0ab6318a8a8fc3c303b5e3d6be5f610\",\"receipt_uuid\":\"dec2ec8b-7a05-431a-a9bb-17338a00a004\",\"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":"2026-10-25T15:28:19.187Z","detail":"The receipt store reports 2026-10-25T15:28:19.187Z; 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":"sha256:76f541753a7db1c21d66c38864effa45a0ab6318a8a8fc3c303b5e3d6be5f610","computed_hash":"sha256:76f541753a7db1c21d66c38864effa45a0ab6318a8a8fc3c303b5e3d6be5f610","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."}}}