{"api_version":2,"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","id":"f856370d-0e66-4fd5-8bfb-2319ab9bddd4","source_url":"https://zambo.dev/api/receipt/f856370d-0e66-4fd5-8bfb-2319ab9bddd4","receipt":{"id":"f856370d-0e66-4fd5-8bfb-2319ab9bddd4","created_at":"2026-11-01T09:42:00.308Z","receipt_schema_version":"0.4","job_summary":"MCP tool execution: chat_answer","tools":["chat_answer"],"steps":[{"tool":"chat_answer","completed_at":"2026-11-01T09:42:00.308Z","status":"success"}],"output_hash":"sha256:1f41e9b653469da6a4bec39310c8aba84297b35fcb04ab35bca1d350a50e9057","hash_algorithm":"sha256","canonical_bytes":"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","canonical_bytes_withheld_for_privacy":false,"canonical_byte_length":590,"verification_status":"verified","session_trail":[],"result_preview":"{\"answer\":\"AER-1 is an open IETF draft for a portable, verifiable record of an AI agent tool call. [Read the current AER-1 draft and guide](/aer-1/).\"}","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":"chat_answer","version":"4.0.0","scope":"public"},"caller":{"type":"session","id":"sha256:d5411bfd9de442bef3f7c01b3dea5d1f14c549264432f657d02aa455f68b378d"},"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":"empty","result_source":null,"evidence_source":null,"external_evidence":[],"provenance":null,"provenance_class":"LOGGED BY AGENT","metadata_hash":"sha256:512d94db6b31690a96abc6be5674b14eba7f2e4408dda1e2eed7a41a50d56731","anchor":{"event_id":"ff304f32130562727dca44097aeda81e24e590b887e7c6c249831799e767e0dd","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.damus.io","wss://nos.lol","wss://relay.primal.net"],"status":"published","published_at":"2026-11-01T09:42:00.833Z","schema_version":"zambo-receipt-anchor/1","envelope":{"anchored_at":"2026-11-01T09:42:00.308Z","evidence_url":null,"receipt_uuid":"f856370d-0e66-4fd5-8bfb-2319ab9bddd4","output_sha256":"sha256:1f41e9b653469da6a4bec39310c8aba84297b35fcb04ab35bca1d350a50e9057","schema_version":"zambo-receipt-anchor/1","evidence_sha256":null,"evidence_byte_length":null},"envelope_bytes":"{\"anchored_at\":\"2026-11-01T09:42:00.308Z\",\"evidence_byte_length\":null,\"evidence_sha256\":null,\"evidence_url\":null,\"output_sha256\":\"sha256:1f41e9b653469da6a4bec39310c8aba84297b35fcb04ab35bca1d350a50e9057\",\"receipt_uuid\":\"f856370d-0e66-4fd5-8bfb-2319ab9bddd4\",\"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":"2026-11-01T09:42:00.308Z","detail":"The receipt store reports 2026-11-01T09:42:00.308Z; 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."}}},"evidence_status":"empty","verification_status":"verified","checks":{"commitment_matches":{"status":"pass","passed":true,"expected_hash":"sha256:1f41e9b653469da6a4bec39310c8aba84297b35fcb04ab35bca1d350a50e9057","computed_hash":"sha256:1f41e9b653469da6a4bec39310c8aba84297b35fcb04ab35bca1d350a50e9057","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."}}}