{"api_version":2,"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","id":"45bb24e0-2550-438d-b102-4a014a042b81","source_url":"https://zambo.dev/api/receipt/45bb24e0-2550-438d-b102-4a014a042b81","receipt":{"id":"45bb24e0-2550-438d-b102-4a014a042b81","created_at":"2026-10-28T22:58:59.166Z","receipt_schema_version":"0.4","job_summary":"goal: Demonstrate a cross-session handover proof for the public proof page.","tools":["handover"],"steps":[{"tool":"handover","status":"success","started_at":"2026-10-28T22:58:57.657Z","completed_at":"2026-10-28T22:58:59.166Z"}],"output_hash":"sha256:abe5acd9c909361112a902b0f6f1c229a2dd85b5988067bdf9b319552206a432","hash_algorithm":"sha256","canonical_bytes":"eyJjYWxsZXIiOnsiaWQiOiJzaGEyNTY6MThmMTFjYjE1YmFhMDU3YTZlY2JmMDYzMmFkYTBhMzgzNzI5Y2I1MzY4M2M5ZWYyOGYzODkxYWM1YmMzNzk2ZiIsInR5cGUiOiJzZXNzaW9uIn0sImlzc3Vlcl9jbGFpbXMiOnsicHJvdmVuYW5jZV9jbGFzcyI6IkVYRUNVVEVEIEJZIFpBTUJPIn0sIm91dHB1dCI6eyJhY2NlcHRhbmNlX3VybCI6Imh0dHBzOi8vemFtYm8uZGV2L2hhbmRvdmVyLzMxNzNhYjkxLTVjY2EtNDcyMy1hNWRhLWVkNDA4YzA0ZjAyNy9hY2NlcHRhbmNlLmpzb24iLCJhZ2VudF9pZCI6ImFnZW50LWZmODk1NTEyOWU0ZWZkN2FjZWM4MzhkZiIsImFnZW50X3VybCI6Imh0dHBzOi8vemFtYm8uZGV2L2FnZW50L2FnZW50LWZmODk1NTEyOWU0ZWZkN2FjZWM4MzhkZiIsImFpX3VzZV9zdGF0ZW1lbnQiOiJBSSB1c2U6IFVuc3BlY2lmaWVkIEFJIGhlbHBlZCB3aXRoIDIgb2YgMiBzdGVwcy4gU2VlIHRoZSBsaXN0ZWQgcmVjZWlwdHMuIiwiYWlzIjpbIlVuc3BlY2lmaWVkIEFJIl0sImJhZGdlX3VybCI6Imh0dHBzOi8vemFtYm8uZGV2L2JhZGdlL2FnZW50LWZmODk1NTEyOWU0ZWZkN2FjZWM4MzhkZi5zdmciLCJoYW5kb3Zlcl9pZCI6IjMxNzNhYjkxLTVjY2EtNDcyMy1hNWRhLWVkNDA4YzA0ZjAyNyIsIm5vdF9jaGVja2VkIjpbXSwib3duZXJfdXJsIjoiaHR0cHM6Ly96YW1iby5kZXYvaGFuZG92ZXIvMzE3M2FiOTEtNWNjYS00NzIzLWE1ZGEtZWQ0MDhjMDRmMDI3IiwicmVkYWN0aW9ucyI6MCwicmVsZWFzZV9oaW50IjoiaG9sZCIsInJldXNlZCI6ZmFsc2UsInNlYWxfbmV4dCI6IktlZXAgd29ya2Zsb3dfbWFuYWdlX3Rva2VuIHByaXZhdGUuIFdpdGggYW4gYWN0aXZlIHBhc3MsIGNhbGwgd29ya2Zsb3dfc2VhbCB3aXRoIHdvcmtmbG93X2lkLCB3b3JrZmxvd19tYW5hZ2VfdG9rZW4gYW5kIHRoZSBzYW1lIF9zZXNzaW9uX2lkIHVzZWQgZm9yIHRoaXMgaGFuZG92ZXIuIFNlYWxpbmcsIGluY2x1ZGluZyB0aGUgZGlzcHV0ZSBwYWNrLCByZXF1aXJlcyBhIHBhc3MuIiwic2hhcmVfdGV4dCI6IkhlcmUncyB0aGUgaGFuZG92ZXIgZm9yIHRoZSBuZXh0IEFJIHNlc3Npb246IFNlc3Npb24gQSBwbGFudGVkIGEgbWVtb3J5IGFuZCBpcyB3cmFwcGluZyB1cC4gUHJvb2YgbWFya2VyIFhQUjEwMjgtUFJPT0YtNDQxNzogdGhlIGxpZ2h0aG91c2Uga2VlcGVyIGNvdW50cyBzZXZlbiBndWxscyBhdCBkdXNrLCBhbmQgdGhlIGhhcmJvdXIgbG9nIGZvciAyOCBPY3RvYmVyIGlzIGtlcHQgaW4gdGhlIC4gaHR0cHM6Ly96YW1iby5kZXYvaGFuZG92ZXIvMzE3M2FiOTEtNWNjYS00NzIzLWE1ZGEtZWQ0MDhjMDRmMDI3IEVhY2ggbGlzdGVkIHN0ZXAgaGFzIGEgdmVyaWZpYWJsZSByZWNlaXB0IHlvdSBjYW4gY2hlY2sgaW4geW91ciBicm93c2VyLiIsInNoaWVsZCI6InBhc3MiLCJzb3VyY2VzIjp7Im5vdF9jaGVja2VkIjowLCJub3RfcmVzb2x2ZWQiOjAsInJlc29sdmVkIjowfSwic3RlcHMiOjIsInVybCI6Imh0dHBzOi8vemFtYm8uZGV2L2hhbmRvdmVyLzMxNzNhYjkxLTVjY2EtNDcyMy1hNWRhLWVkNDA4YzA0ZjAyNyIsInZlcmlmeV91cmwiOiJodHRwczovL3phbWJvLmRldi9hcGkvdjIvcmVjZWlwdC9mZjAyMDAxYi0yYTE3LTRmODMtYWY1YS03YTJlNGFhMjUzZGYvdmVyaWZ5IiwidmlzaWJpbGl0eSI6InB1YmxpYyIsIndhcm5pbmdzIjpbXSwid29ya2Zsb3dfaWQiOiIzYWUxMTNlZS1lYWE0LTRlYWMtOTg5NS0zZWI3MzlkODI2MGEiLCJ3b3JrZmxvd19yZWNlaXB0X3VybCI6Imh0dHBzOi8vemFtYm8uZGV2L3J1bi9mZjAyMDAxYi0yYTE3LTRmODMtYWY1YS03YTJlNGFhMjUzZGYifSwicmVjZWlwdF9zY2hlbWFfdmVyc2lvbiI6IjAuNCIsInNpZGVfZWZmZWN0cyI6eyJkZWNsYXJhdGlvbl9oYXNoIjoic2hhMjU2OjQ1YWFkMzhmM2FhOTgyYjlhYWZlOTJlY2I0MTZlYmU5ODc5MWVkZGJhZjhhYjZkZjBiZDA4NjA1YjdjMWJmZWUiLCJkZWNsYXJlZCI6WyJub25lIl0sInNjaGVtYV92ZXJzaW9uIjoiemFtYm8tc2lkZS1lZmZlY3RzLzEifSwidG9vbCI6eyJuYW1lIjoiaGFuZG92ZXIiLCJzY29wZSI6InB1YmxpYyIsInZlcnNpb24iOiI0LjAuMCJ9fQ==","canonical_bytes_withheld_for_privacy":false,"canonical_byte_length":2077,"verification_status":"verified","session_trail":[{"tool":"memory_remember","status":"completed","args_hash":"sha256:29af61578fc66f777597225ffbcc2d6ff6f478bc400abb7809c354409fc1e0f2","timestamp":"2026-10-28T22:58:55.723Z","receipt_uuid":"8c8de2b6-8b67-47c7-8256-e019228a72dd"},{"tool":"memory_recall","status":"completed","args_hash":"sha256:0be79899161083b31713bb0227bc4fab1092ff95fea94d714c156c2ea3297c0b","timestamp":"2026-10-28T22:58:56.824Z","receipt_uuid":"afc317f4-ee10-48d7-a69e-2de93248278a"},{"tool":"handover","status":"completed","args_hash":"sha256:3d612e13bd4ffac8be62243fcefed054b7e9890f3dce6fa1185581b134757259","timestamp":"2026-10-28T22:58:59.166Z","receipt_uuid":"45bb24e0-2550-438d-b102-4a014a042b81"}],"result_preview":"{\"handover_id\":\"3173ab91-5cca-4723-a5da-ed408c04f027\",\"url\":\"https://zambo.dev/handover/3173ab91-5cca-4723-a5da-ed408c04f027\",\"reused\":false,\"agent_id\":\"agent-ff8955129e4efd7acec838df\",\"workflow_id\":\"3ae113ee-eaa4-4eac-9895-3eb739d8260a\",\"agent_url\":\"https://zambo.dev/agent/agent-ff8955129e4efd7acec838df\",\"badge_url\":\"https://zambo.dev/badge/agent-ff8955129e4efd7acec838df.svg\",\"share_text\":\"Here's the handover for the next AI session: Session A planted a memory and is wrapping up. Proof marker XPR1028-PROOF-4417: the lighthouse keeper counts seven gulls at dusk, and the harbour log for 28 October is kept in the . https://zambo.dev/handover/3173ab91-5cca-4723-a5da-ed408c04f027 Each listed step has a verifiable receipt you can check in your browser.\",\"workflow_receipt_url\":\"https://zambo.dev/run/ff02001b-2a17-4f83-af5a-7a2e4aa253df\",\"verify_url\":\"https://zambo.dev/api/v2/receipt/ff02001b-2a17-4f83-af5a-7a2e4aa253df/verify\",\"steps\":2,\"ai_use_statement\":\"AI use: Unspecified AI helped with 2 of 2 steps. See the listed receipts.\",\"sources\":{\"resolved\":0,\"not_resolved\":0,\"not_checked\":0},\"warnings\":[],\"acceptance_url\":\"https://zambo.dev/handover/3173ab91-5cca-4723-a5da-ed408c04f027/acceptance.json\",\"release_hint\":\"hold\",\"ais\":[\"Unspecified AI\"],\"not_checked\":[],\"shield\":\"pass\",\"visibility\":\"public\",\"redactions\":0,\"owner_url\":\"https://zambo.dev/handover/3173ab91-5cca-4723-a5da-ed408c04f027\",\"seal_next\":\"Keep workflow_manage_token private. With an active pass, call workflow_seal with workflow_id, workflow_manage_token and the same _session_id used for this handover. Sealing, including the dispute pack, requires a pass.\"}","result_preview_integrity":"display_only_not_committed","result_preview_truncated":false,"input_hash":"sha256:3d95ded7248c0342cb4a1b7bb50499cad9c9a8f74a0cf09388dcb9bb4e3074a8","input_hash_layout":"zambo-json-sorted-keys-utf8-v1","free_used":5,"free_remaining":15,"free_limit":20,"signal_handle":null,"tool":{"name":"handover","version":"4.0.0","scope":"public"},"caller":{"type":"session","id":"sha256:18f11cb15baa057a6ecbf0632ada0a383729cb53683c9ef28f3891ac5bc3796f"},"side_effects":{"declared":["none"],"schema_version":"zambo-side-effects/1","declaration_hash":"sha256:45aad38f3aa982b9aafe92ecb416ebe98791eddbaf8ab6df0bd08605b7c1bfee"},"evidence_sha256":"sha256:06c1da597d985aa1c40c42093c23311a11130d3438106a426f966169bf0651e8","evidence_url":"/api/evidence/06c1da597d985aa1c40c42093c23311a11130d3438106a426f966169bf0651e8","evidence_byte_length":747,"evidence_content_type":"application/json","evidence_source_url":null,"evidence_status":"captured","external_evidence":[],"provenance":null,"provenance_class":"EXECUTED BY ZAMBO","metadata_hash":"sha256:885aeaefbb81263c49d87df302038203f69eba52f18e0df80da4cdc239e7bd1c","anchor":{"event_id":"b07b5e4c793efee9417166209f24cb237048dfc991ab1f2c948e7ccaa14b3696","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.damus.io","wss://nos.lol","wss://relay.primal.net"],"status":"partial","published_at":"2026-10-28T22:58:59.759Z","schema_version":"zambo-receipt-anchor/1","envelope":{"anchored_at":"2026-10-28T22:58:59.166Z","evidence_url":"https://zambo.dev/api/evidence/06c1da597d985aa1c40c42093c23311a11130d3438106a426f966169bf0651e8","receipt_uuid":"45bb24e0-2550-438d-b102-4a014a042b81","output_sha256":"sha256:abe5acd9c909361112a902b0f6f1c229a2dd85b5988067bdf9b319552206a432","schema_version":"zambo-receipt-anchor/1","evidence_sha256":"sha256:06c1da597d985aa1c40c42093c23311a11130d3438106a426f966169bf0651e8","evidence_byte_length":747},"envelope_bytes":"{\"anchored_at\":\"2026-10-28T22:58:59.166Z\",\"evidence_byte_length\":747,\"evidence_sha256\":\"sha256:06c1da597d985aa1c40c42093c23311a11130d3438106a426f966169bf0651e8\",\"evidence_url\":\"https://zambo.dev/api/evidence/06c1da597d985aa1c40c42093c23311a11130d3438106a426f966169bf0651e8\",\"output_sha256\":\"sha256:abe5acd9c909361112a902b0f6f1c229a2dd85b5988067bdf9b319552206a432\",\"receipt_uuid\":\"45bb24e0-2550-438d-b102-4a014a042b81\",\"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":"2026-10-28T22:58:59.166Z","detail":"The receipt store reports 2026-10-28T22:58:59.166Z; 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:abe5acd9c909361112a902b0f6f1c229a2dd85b5988067bdf9b319552206a432","computed_hash":"sha256:abe5acd9c909361112a902b0f6f1c229a2dd85b5988067bdf9b319552206a432","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."}}}