{"api_version":2,"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","id":"a82a04ff-c1dd-4f77-b00c-989d3ea62a40","source_url":"https://zambo.dev/api/receipt/a82a04ff-c1dd-4f77-b00c-989d3ea62a40","receipt":{"id":"a82a04ff-c1dd-4f77-b00c-989d3ea62a40","created_at":"2026-10-18T20:16:05.013Z","receipt_schema_version":"0.4","job_summary":"MCP tool execution: proof_loop_check","tools":["proof_loop_check"],"steps":[{"tool":"proof_loop_check","completed_at":"2026-10-18T20:16:05.013Z","status":"success"}],"output_hash":"sha256:1663cdb775251e8b63fb52776a70a118335fed6d329a3ab4c2b64dbf15c8533c","hash_algorithm":"sha256","canonical_bytes":"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","canonical_bytes_withheld_for_privacy":false,"canonical_byte_length":905,"verification_status":"verified","session_trail":[],"result_preview":"{\"schema\":\"zambo.proof-loop-node/1\",\"type\":\"check\",\"label\":\"Check source reachability\",\"ai\":{\"used\":false,\"name\":\"Zambo rubric\"},\"check\":{\"what\":\"Source URLs resolve; reachability only, not support for a claim\",\"result\":\"passed\"},\"observation_commitment\":\"c261368ba6e546dada139d1389c971081590425a2708edd8bbb2ffc4e57f206a\",\"observation_note\":\"The receipt records the check state and a commitment to the observed output. Supplied work is not republished here.\"}","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":"sha256:53d5038fd81981bc942bfa27a74a580949c947e6cab451a3f43d30d54691cd1a"},"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":"sha256:0dcdbb51fbf6ca5d23be6e74f177c9dcdaeb7f36886321e986586a3d76d75c43","anchor":{"event_id":"4d498154aa354fcc316b9ad8503c56256e0433f454b86aa8059922be683517b9","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.damus.io","wss://nos.lol","wss://relay.primal.net"],"status":"partial","published_at":"2026-10-18T20:16:05.593Z","schema_version":"zambo-receipt-anchor/1","envelope":{"anchored_at":"2026-10-18T20:16:05.013Z","evidence_url":null,"receipt_uuid":"a82a04ff-c1dd-4f77-b00c-989d3ea62a40","output_sha256":"sha256:1663cdb775251e8b63fb52776a70a118335fed6d329a3ab4c2b64dbf15c8533c","schema_version":"zambo-receipt-anchor/1","evidence_sha256":null,"evidence_byte_length":null},"envelope_bytes":"{\"anchored_at\":\"2026-10-18T20:16:05.013Z\",\"evidence_byte_length\":null,\"evidence_sha256\":null,\"evidence_url\":null,\"output_sha256\":\"sha256:1663cdb775251e8b63fb52776a70a118335fed6d329a3ab4c2b64dbf15c8533c\",\"receipt_uuid\":\"a82a04ff-c1dd-4f77-b00c-989d3ea62a40\",\"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":"2026-10-18T20:16:05.013Z","detail":"The receipt store reports 2026-10-18T20:16:05.013Z; 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":"sha256:1663cdb775251e8b63fb52776a70a118335fed6d329a3ab4c2b64dbf15c8533c","computed_hash":"sha256:1663cdb775251e8b63fb52776a70a118335fed6d329a3ab4c2b64dbf15c8533c","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."}}}