{"api_version":2,"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","id":"2b1e112c-c90e-4886-b182-9ea9a90a5725","source_url":"https://zambo.dev/api/receipt/2b1e112c-c90e-4886-b182-9ea9a90a5725","receipt":{"id":"2b1e112c-c90e-4886-b182-9ea9a90a5725","created_at":"2026-10-21T04:40:00.010Z","receipt_schema_version":"0.4","job_summary":"MCP tool execution: proof_loop_check","tools":["proof_loop_check"],"steps":[{"tool":"proof_loop_check","completed_at":"2026-10-21T04:40:00.010Z","status":"success"}],"output_hash":"sha256:6293dcb04efda02ea1f1e89adb160132f0e40c41eb5fedecbd9111630e9cc562","hash_algorithm":"sha256","canonical_bytes":"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","canonical_bytes_withheld_for_privacy":false,"canonical_byte_length":587,"verification_status":"verified","session_trail":[],"result_preview":"{\"observation_withheld\":true,\"node_type\":\"check\",\"observation_commitment\":\"2840394a1f3f2dda6f754897bc9e6e23b0cf2f086dd92cece2dfda8ca8359246\"}","result_preview_integrity":"display_only_not_committed","result_preview_truncated":false,"free_used":0,"free_remaining":0,"free_limit":0,"signal_handle":null,"tool":{"name":"proof_loop_check","version":"4.0.0","scope":"public"},"caller":{"type":"session","id":"sha256:ab0ae80308448fb8c37ca95ee54327de3674d16fbd5f78b2b53c1e4919e97858"},"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":"sha256:50ae612ad34cd29b70bf22a910f7e4d78dff2336e884a8d6bf156bb2fac0f1c3","anchor":{"event_id":"ff1bea766b1420bf499ad9fddf6eee4af672f067db6c9570b3ee736564082f69","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.damus.io","wss://nos.lol","wss://relay.primal.net"],"status":"partial","published_at":"2026-10-21T04:40:00.545Z","schema_version":"zambo-receipt-anchor/1","envelope":{"anchored_at":"2026-10-21T04:40:00.010Z","evidence_url":null,"receipt_uuid":"2b1e112c-c90e-4886-b182-9ea9a90a5725","output_sha256":"sha256:6293dcb04efda02ea1f1e89adb160132f0e40c41eb5fedecbd9111630e9cc562","schema_version":"zambo-receipt-anchor/1","evidence_sha256":null,"evidence_byte_length":null},"envelope_bytes":"{\"anchored_at\":\"2026-10-21T04:40:00.010Z\",\"evidence_byte_length\":null,\"evidence_sha256\":null,\"evidence_url\":null,\"output_sha256\":\"sha256:6293dcb04efda02ea1f1e89adb160132f0e40c41eb5fedecbd9111630e9cc562\",\"receipt_uuid\":\"2b1e112c-c90e-4886-b182-9ea9a90a5725\",\"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":"2026-10-21T04:40:00.010Z","detail":"The receipt store reports 2026-10-21T04:40:00.010Z; 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."}}},"verification_status":"verified","checks":{"commitment_matches":{"status":"pass","passed":true,"expected_hash":"sha256:6293dcb04efda02ea1f1e89adb160132f0e40c41eb5fedecbd9111630e9cc562","computed_hash":"sha256:6293dcb04efda02ea1f1e89adb160132f0e40c41eb5fedecbd9111630e9cc562","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."}}}