{"api_version":2,"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","id":"fd92b1c3-50ab-4d38-b10f-3be4f50cbaf8","source_url":"https://zambo.dev/api/receipt/fd92b1c3-50ab-4d38-b10f-3be4f50cbaf8","receipt":{"id":"fd92b1c3-50ab-4d38-b10f-3be4f50cbaf8","created_at":"2026-10-16T20:57:36.831Z","receipt_schema_version":"0.4","job_summary":"MCP tool execution: handover","tools":["handover"],"steps":[{"tool":"handover","status":"success","started_at":"2026-10-16T20:57:35.486Z","completed_at":"2026-10-16T20:57:36.831Z"}],"output_hash":"sha256:2ff7f85819f3dee0210ecd01f8b5f63ebf6a2c8fdf26eff5824c68f65e6c937f","hash_algorithm":"sha256","canonical_bytes":"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","canonical_bytes_withheld_for_privacy":false,"canonical_byte_length":1461,"verification_status":"verified","session_trail":[{"tool":"handover","status":"completed","args_hash":"sha256:026032cf28862eb5f63edd260575465dcbc7b1f4818d282fd8d2923872b80d0a","timestamp":"2026-10-16T20:57:36.831Z","receipt_uuid":"fd92b1c3-50ab-4d38-b10f-3be4f50cbaf8"}],"result_preview":"{\"handover_id\":\"e5560b01-f82b-4893-9f59-179b92e0898d\",\"url\":\"https://zambo.dev/handover/e5560b01-f82b-4893-9f59-179b92e0898d\",\"reused\":false,\"agent_id\":\"agent-e2d7f8433c5697e3f21c1c47\",\"agent_url\":\"https://zambo.dev/agent/agent-e2d7f8433c5697e3f21c1c47\",\"badge_url\":\"https://zambo.dev/badge/agent-e2d7f8433c5697e3f21c1c47.svg\",\"share_text\":\"Here's the handover for Drafted the Q4 pricing memo: https://zambo.dev/handover/e5560b01-f82b-4893-9f59-179b92e0898d. Each listed step has a verifiable receipt you can check in your browser.\",\"workflow_receipt_url\":\"https://zambo.dev/run/0e988c98-4d81-440c-bc75-c9d56b69ce0d\",\"verify_url\":\"https://zambo.dev/api/v2/receipt/0e988c98-4d81-440c-bc75-c9d56b69ce0d/verify\",\"steps\":2,\"ais\":[\"audit\"],\"not_checked\":[\"The supplied work was saved, not independently executed or checked.\"],\"shield\":\"pass\",\"visibility\":\"public\",\"redactions\":0,\"owner_url\":\"https://zambo.dev/handover/e5560b01-f82b-4893-9f59-179b92e0898d?owner_token=[private]\"}","result_preview_integrity":"display_only_not_committed","result_preview_truncated":false,"input_hash":"sha256:5e6ac371bffa46b8c71d18e118374b0a5057e61b8c6035a9ba2413348707f0b1","input_hash_layout":"zambo-json-sorted-keys-utf8-v1","free_used":3,"free_remaining":17,"free_limit":20,"signal_handle":null,"tool":{"name":"handover","version":"4.0.0","scope":"public"},"caller":{"type":"session","id":"sha256:777f70f9561ae9d3842ddf8dabe15a9f0e49d88475918f2fc9ff7b8b797e9373","label":"audit","label_source":"caller_reported"},"side_effects":{"declared":["none"],"schema_version":"zambo-side-effects/1","declaration_hash":"sha256:45aad38f3aa982b9aafe92ecb416ebe98791eddbaf8ab6df0bd08605b7c1bfee"},"evidence_sha256":"sha256:746fefb323ead32ce0aa9704771dec01008725b1f4df27026a65f5b3d377709c","evidence_url":"/api/evidence/746fefb323ead32ce0aa9704771dec01008725b1f4df27026a65f5b3d377709c","evidence_byte_length":673,"evidence_content_type":"application/json","evidence_source_url":null,"evidence_status":"captured","external_evidence":[],"provenance":null,"provenance_class":"EXECUTED BY ZAMBO","metadata_hash":"sha256:cc5afdf8ecec9df5c37c31bd93900ce36dda2b88e9ad6dfea4c7dee1de15a18d","anchor":{"event_id":"15f4b56f2b85319e8c8d1555f9dcf61996500bffb75f5e3870647d5d3369539b","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.damus.io","wss://nos.lol","wss://relay.primal.net"],"status":"published","published_at":"2026-10-16T20:57:37.422Z","schema_version":"zambo-receipt-anchor/1","envelope":{"anchored_at":"2026-10-16T20:57:36.831Z","evidence_url":"https://zambo.dev/api/evidence/746fefb323ead32ce0aa9704771dec01008725b1f4df27026a65f5b3d377709c","receipt_uuid":"fd92b1c3-50ab-4d38-b10f-3be4f50cbaf8","output_sha256":"sha256:2ff7f85819f3dee0210ecd01f8b5f63ebf6a2c8fdf26eff5824c68f65e6c937f","schema_version":"zambo-receipt-anchor/1","evidence_sha256":"sha256:746fefb323ead32ce0aa9704771dec01008725b1f4df27026a65f5b3d377709c","evidence_byte_length":673},"envelope_bytes":"{\"anchored_at\":\"2026-10-16T20:57:36.831Z\",\"evidence_byte_length\":673,\"evidence_sha256\":\"sha256:746fefb323ead32ce0aa9704771dec01008725b1f4df27026a65f5b3d377709c\",\"evidence_url\":\"https://zambo.dev/api/evidence/746fefb323ead32ce0aa9704771dec01008725b1f4df27026a65f5b3d377709c\",\"output_sha256\":\"sha256:2ff7f85819f3dee0210ecd01f8b5f63ebf6a2c8fdf26eff5824c68f65e6c937f\",\"receipt_uuid\":\"fd92b1c3-50ab-4d38-b10f-3be4f50cbaf8\",\"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":"2026-10-16T20:57:36.831Z","detail":"The receipt store reports 2026-10-16T20:57:36.831Z; 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"}},"verification_status":"verified","checks":{"commitment_matches":{"status":"pass","passed":true,"expected_hash":"sha256:2ff7f85819f3dee0210ecd01f8b5f63ebf6a2c8fdf26eff5824c68f65e6c937f","computed_hash":"sha256:2ff7f85819f3dee0210ecd01f8b5f63ebf6a2c8fdf26eff5824c68f65e6c937f","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."}}}