{"api_version":2,"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","id":"2924d029-6d09-4455-bbe9-1a1b94c4bc54","source_url":"https://zambo.dev/api/receipt/2924d029-6d09-4455-bbe9-1a1b94c4bc54","receipt":{"id":"2924d029-6d09-4455-bbe9-1a1b94c4bc54","created_at":"2026-11-13T03:03:19.078Z","receipt_schema_version":"0.4","job_summary":"MCP tool execution: agent_brief","tools":["agent_brief"],"steps":[{"tool":"agent_brief","status":"success","started_at":"2026-11-13T03:03:18.854Z","completed_at":"2026-11-13T03:03:19.078Z"}],"output_hash":"sha256:ba437f118db6e8b98be0d16651d534c7a1cadaef0e35ab57ae7cb52bc761f318","hash_algorithm":"sha256","canonical_bytes":"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","canonical_bytes_withheld_for_privacy":false,"canonical_byte_length":1240,"verification_status":"verified","session_trail":[],"result_preview":"{\"subject\":\"MCP protocol reliability and verification standards\",\"type\":\"unknown\",\"one_liner\":\"Briefing on \\\"MCP protocol reliability and verification standards\\\" — check directly for authoritative information\",\"recommended_next_step\":\"Visit MCP protocol reliability and verification standards directly\",\"tell_other_agents\":\"Research \\\"MCP protocol reliability and verification standards\\\" directly — brief generation failed\",\"_meta\":{\"depth\":\"quick\",\"generated_at\":\"2026-11-13T03:03:19.075Z\",\"briefed_by\":\"agent_brief MCP tool — zambo.dev\",\"mcp_config\":{\"mcpServers\":{\"zambo\":{\"url\":\"https://zambo.dev/mcp\"}}},\"upgrade\":\"Zambo Pass $29 for 30 days, one payment — listed brief benefits + 153 MCP tools · zambo.dev/#zambo-pass\"}}","result_preview_integrity":"display_only_not_committed","result_preview_truncated":false,"input_hash":"sha256:8711fd13d3c3f1c5fc3e9d178593647e4437790da3b6155af6660e2bdd2b2412","input_hash_layout":"zambo-json-sorted-keys-utf8-v1","free_used":0,"free_remaining":0,"free_limit":0,"signal_handle":null,"tool":{"name":"agent_brief","version":"4.1.0","scope":"public"},"caller":{"type":"anonymous","id":"sha256:8e7b356dd9ef9a62d367fdc00ce9ce1a41e34d3ec3beca61be0a258e0bac8c81","basis":"ip_ua_30d","rotates_at":"2026-12-03T00:00:00.000Z"},"side_effects":{"declared":["none"],"schema_version":"zambo-side-effects/1","declaration_hash":"sha256:45aad38f3aa982b9aafe92ecb416ebe98791eddbaf8ab6df0bd08605b7c1bfee"},"evidence_sha256":"sha256:c31637bb64f46c32279e84b9cb3d6a373ac75bad40d63c6e647900fad480e5bd","evidence_url":"/api/evidence/c31637bb64f46c32279e84b9cb3d6a373ac75bad40d63c6e647900fad480e5bd","evidence_byte_length":737,"evidence_content_type":"application/json","evidence_source_url":null,"evidence_status":"ok","result_source":null,"evidence_source":"localhost","external_evidence":[],"provenance":{"result_source":null,"evidence_source":"localhost","evidence_status":"ok","evidence_captures":[{"sha256":"sha256:c31637bb64f46c32279e84b9cb3d6a373ac75bad40d63c6e647900fad480e5bd","source":"localhost","capture_role":"primary","evidence_status":"ok"}]},"provenance_class":"EXECUTED BY ZAMBO","metadata_hash":"sha256:c72acb62a3772503406e05b690d97e9f854c7233f234dfae8405283305b09be9","anchor":{"event_id":"6cce99fddb21837137c07c309e4f631a54fc336cad6b4a1253cf7129a73f21d5","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.primal.net"],"status":"published","published_at":"2026-11-13T03:03:19.652Z","published_at_semantics":"Relay confirmation time (accepted acknowledgement or exact-event read-back); not the signed event's created_at.","schema_version":"zambo-receipt-anchor/1","envelope":{"anchored_at":"2026-11-13T03:03:19.078Z","evidence_url":"https://zambo.dev/api/evidence/c31637bb64f46c32279e84b9cb3d6a373ac75bad40d63c6e647900fad480e5bd","receipt_uuid":"2924d029-6d09-4455-bbe9-1a1b94c4bc54","output_sha256":"sha256:ba437f118db6e8b98be0d16651d534c7a1cadaef0e35ab57ae7cb52bc761f318","schema_version":"zambo-receipt-anchor/1","evidence_sha256":"sha256:c31637bb64f46c32279e84b9cb3d6a373ac75bad40d63c6e647900fad480e5bd","evidence_byte_length":737},"envelope_bytes":"{\"anchored_at\":\"2026-11-13T03:03:19.078Z\",\"evidence_byte_length\":737,\"evidence_sha256\":\"sha256:c31637bb64f46c32279e84b9cb3d6a373ac75bad40d63c6e647900fad480e5bd\",\"evidence_url\":\"https://zambo.dev/api/evidence/c31637bb64f46c32279e84b9cb3d6a373ac75bad40d63c6e647900fad480e5bd\",\"output_sha256\":\"sha256:ba437f118db6e8b98be0d16651d534c7a1cadaef0e35ab57ae7cb52bc761f318\",\"receipt_uuid\":\"2924d029-6d09-4455-bbe9-1a1b94c4bc54\",\"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":"2026-11-13T03:03:19.078Z","detail":"The receipt store reports 2026-11-13T03:03:19.078Z; 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."}},"execution_context":{"environment":"zambo.dev hosted MCP","quota_identity":{"meter_key":"sha256:11eee782bc100599c74e9e11ad510cc610da7827b5eb9099b6de786bc9f0000a"}}},"evidence_status":"ok","verification_status":"verified","checks":{"commitment_matches":{"status":"pass","passed":true,"expected_hash":"sha256:ba437f118db6e8b98be0d16651d534c7a1cadaef0e35ab57ae7cb52bc761f318","computed_hash":"sha256:ba437f118db6e8b98be0d16651d534c7a1cadaef0e35ab57ae7cb52bc761f318","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."}}}