{"api_version":2,"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","id":"eac35071-7eca-4905-8e02-b645741b76b3","source_url":"https://zambo.dev/api/receipt/eac35071-7eca-4905-8e02-b645741b76b3","receipt":{"id":"eac35071-7eca-4905-8e02-b645741b76b3","created_at":"2026-10-17T10:14:54.867Z","receipt_schema_version":"0.4","job_summary":"MCP tool execution: proof_loop_check","tools":["proof_loop_check"],"steps":[{"tool":"proof_loop_check","completed_at":"2026-10-17T10:14:54.867Z","status":"success"}],"output_hash":"sha256:965e0ed55640f9fc96facee8ba18b61cb909c34389d9455f50f41b78efdb480f","hash_algorithm":"sha256","canonical_bytes":"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","canonical_bytes_withheld_for_privacy":false,"canonical_byte_length":1036,"verification_status":"verified","session_trail":[],"result_preview":"{\"schema\":\"zambo.proof-loop-node/1\",\"type\":\"check\",\"label\":\"Review draft using a bounded rubric\",\"ai\":{\"used\":false,\"name\":\"Zambo rubric\"},\"check\":{\"what\":\"Bounded writing rubric: sentences <=40 words, no 15-letter all-caps run, and one request keyword appears\",\"result\":\"passed\",\"reason\":\"Rubric review only; tone and semantic fulfillment need human review.\"},\"observation_commitment\":\"b71ad1b64c5fda78172f4ebbb4e92c183c7004fae70c2d989a8192e3b7e25833\",\"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":"sha256:12eb9947ec4583ef067dc89f3e8a9c942ac3cc91e895e1ec79fe146e703b6530"},"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:ad5ea7841c77fdac5f49f21034c30ca187d058a050a315a46531e5f1a6d5e29d","anchor":{"event_id":"95d723ac02caef1709415fbf4086e72830ab06857f7f629c3bfeb0f802697a88","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.damus.io","wss://nos.lol","wss://relay.primal.net"],"status":"partial","published_at":"2026-10-17T10:14:55.370Z","schema_version":"zambo-receipt-anchor/1","envelope":{"anchored_at":"2026-10-17T10:14:54.867Z","evidence_url":null,"receipt_uuid":"eac35071-7eca-4905-8e02-b645741b76b3","output_sha256":"sha256:965e0ed55640f9fc96facee8ba18b61cb909c34389d9455f50f41b78efdb480f","schema_version":"zambo-receipt-anchor/1","evidence_sha256":null,"evidence_byte_length":null},"envelope_bytes":"{\"anchored_at\":\"2026-10-17T10:14:54.867Z\",\"evidence_byte_length\":null,\"evidence_sha256\":null,\"evidence_url\":null,\"output_sha256\":\"sha256:965e0ed55640f9fc96facee8ba18b61cb909c34389d9455f50f41b78efdb480f\",\"receipt_uuid\":\"eac35071-7eca-4905-8e02-b645741b76b3\",\"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":"2026-10-17T10:14:54.867Z","detail":"The receipt store reports 2026-10-17T10:14:54.867Z; 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":"sha256:965e0ed55640f9fc96facee8ba18b61cb909c34389d9455f50f41b78efdb480f","computed_hash":"sha256:965e0ed55640f9fc96facee8ba18b61cb909c34389d9455f50f41b78efdb480f","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."}}}