{"api_version":2,"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","id":"4db3b67c-1af6-483a-bb9e-67d50c89a7c0","source_url":"https://zambo.dev/api/receipt/4db3b67c-1af6-483a-bb9e-67d50c89a7c0","receipt":{"id":"4db3b67c-1af6-483a-bb9e-67d50c89a7c0","created_at":"2026-10-21T23:05:35.252Z","receipt_schema_version":"0.4","job_summary":"MCP tool execution: proof_loop_do","tools":["proof_loop_do"],"steps":[{"tool":"proof_loop_do","completed_at":"2026-10-21T23:05:35.252Z","status":"success"}],"output_hash":"sha256:da6892bd6e3567c87b2d917d5d71957310454c3765dc9c5542aebd8e919780e0","hash_algorithm":"sha256","canonical_bytes":"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","canonical_bytes_withheld_for_privacy":false,"canonical_byte_length":822,"verification_status":"verified","session_trail":[],"result_preview":"{\"schema\":\"zambo.proof-loop-node/1\",\"type\":\"do\",\"label\":\"prompt_shield\",\"ai\":{\"used\":true,\"name\":\"muse-agents hub article worked example\"},\"check\":null,\"observation_commitment\":\"5335a342a2742b9963f99dc6a653157a3c66a040df4d46accaccbea72dae2599\",\"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_do","version":"4.0.0","scope":"public"},"caller":{"type":"session","id":"sha256:9bc50137f3719159a7db0b6a940cf30a70e92076d293b9eac67cf761d43adab8"},"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":"LOGGED BY AGENT","metadata_hash":"sha256:a8caa80678729307664ed4721b9c155a2d6d75c39bdcc04f7c853487536ec71d","anchor":{"event_id":"155bed825a59742e3f88431ba8f1d49105f9adc5410db04c7332d30889db29b1","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.damus.io","wss://nos.lol","wss://relay.primal.net"],"status":"partial","published_at":"2026-10-21T23:05:35.796Z","schema_version":"zambo-receipt-anchor/1","envelope":{"anchored_at":"2026-10-21T23:05:35.252Z","evidence_url":null,"receipt_uuid":"4db3b67c-1af6-483a-bb9e-67d50c89a7c0","output_sha256":"sha256:da6892bd6e3567c87b2d917d5d71957310454c3765dc9c5542aebd8e919780e0","schema_version":"zambo-receipt-anchor/1","evidence_sha256":null,"evidence_byte_length":null},"envelope_bytes":"{\"anchored_at\":\"2026-10-21T23:05:35.252Z\",\"evidence_byte_length\":null,\"evidence_sha256\":null,\"evidence_url\":null,\"output_sha256\":\"sha256:da6892bd6e3567c87b2d917d5d71957310454c3765dc9c5542aebd8e919780e0\",\"receipt_uuid\":\"4db3b67c-1af6-483a-bb9e-67d50c89a7c0\",\"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":"2026-10-21T23:05:35.252Z","detail":"The receipt store reports 2026-10-21T23:05:35.252Z; 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:da6892bd6e3567c87b2d917d5d71957310454c3765dc9c5542aebd8e919780e0","computed_hash":"sha256:da6892bd6e3567c87b2d917d5d71957310454c3765dc9c5542aebd8e919780e0","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."}}}