{"api_version":2,"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","id":"25045461-ab2f-45e4-b16c-dcaacac011f9","source_url":"https://zambo.dev/api/receipt/25045461-ab2f-45e4-b16c-dcaacac011f9","receipt":{"id":"25045461-ab2f-45e4-b16c-dcaacac011f9","created_at":"2026-10-22T13:09:25.527Z","receipt_schema_version":"0.4","job_summary":"MCP tool execution: proof_loop_check","tools":["proof_loop_check"],"steps":[{"tool":"proof_loop_check","completed_at":"2026-10-22T13:09:25.527Z","status":"success"}],"output_hash":"sha256:c6d44047a993cd9dfb467aa2f502f5c790efcbd47bd21f3a33a0fa3eb5a6f472","hash_algorithm":"sha256","canonical_bytes":"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","canonical_bytes_withheld_for_privacy":false,"canonical_byte_length":978,"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\":\"failed_unfixed\",\"reason\":\"A source did not resolve; the sender must replace it.\"},\"observation_commitment\":\"a9bc95f5f925cbf70fc6e1a140da8439feceff8c5b29abc64a833bb1021ab07b\",\"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":"sha256:93c37125540700cfe9945aa4294e1450c155d8f4c06b1a27a5e35d29444417d0"},"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:b8f41ec9ba16597e61f3ce850109b063995ddee016cad5e89336ce59ab47a815","anchor":{"event_id":"4e72b558e1497783ed54c57a1a5781975d7f62088730adfbfcf20e620cfb78b3","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.damus.io","wss://nos.lol","wss://relay.primal.net"],"status":"partial","published_at":"2026-10-22T13:09:31.563Z","schema_version":"zambo-receipt-anchor/1","envelope":{"anchored_at":"2026-10-22T13:09:25.527Z","evidence_url":null,"receipt_uuid":"25045461-ab2f-45e4-b16c-dcaacac011f9","output_sha256":"sha256:c6d44047a993cd9dfb467aa2f502f5c790efcbd47bd21f3a33a0fa3eb5a6f472","schema_version":"zambo-receipt-anchor/1","evidence_sha256":null,"evidence_byte_length":null},"envelope_bytes":"{\"anchored_at\":\"2026-10-22T13:09:25.527Z\",\"evidence_byte_length\":null,\"evidence_sha256\":null,\"evidence_url\":null,\"output_sha256\":\"sha256:c6d44047a993cd9dfb467aa2f502f5c790efcbd47bd21f3a33a0fa3eb5a6f472\",\"receipt_uuid\":\"25045461-ab2f-45e4-b16c-dcaacac011f9\",\"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":"2026-10-22T13:09:25.527Z","detail":"The receipt store reports 2026-10-22T13:09:25.527Z; 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:c6d44047a993cd9dfb467aa2f502f5c790efcbd47bd21f3a33a0fa3eb5a6f472","computed_hash":"sha256:c6d44047a993cd9dfb467aa2f502f5c790efcbd47bd21f3a33a0fa3eb5a6f472","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."}}}