{"api_version":2,"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","id":"346116b8-7c43-4126-b672-6ce822c11ce3","source_url":"https://zambo.dev/api/receipt/346116b8-7c43-4126-b672-6ce822c11ce3","receipt":{"id":"346116b8-7c43-4126-b672-6ce822c11ce3","created_at":"2026-10-14T19:31:07.714Z","receipt_schema_version":"0.4","job_summary":"MCP tool execution: 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Introduces Verifiable Work Layer for AI – Immutable Byte‑Savings Confirmed by Receipts**  \n\nSAN FRANCISCO, CA – Oct 14 2026 – Zambo today releases a production‑grade work layer that records every AI‑generated byte, then proves the saved data remains unchanged. The launch coincides with live market data for BTC, ETH and SOL, each accompanied by a cryptographic receipt that demonstrates Zambo’s proof‑of‑integrity mechanism in real time.  \n\nThe new layer integrates directly with existing AI pipelines. When a model discards redundant output, Zambo logs the reduction, generates a receipt, and stores the hash on a public endpoint. Users can verify the receipt—such as https://zambo.dev/run/148c65f6-20ee-4896-8ffd-d611ffa59fbe for Bitcoin pricing—knowing the byte count is immutable, though the receipt does not attest to correctness of the underlying data.  \n\nZambo’s internal “research” score registers 62, signaling medium impact and a 15‑minute implementation window. The platform recommends adversarial multi‑agent debate to surface hidden insights, then timestamps and publishes the validated findings. The approach aligns with Zambo’s broader suite, including SUBSTRATE LAYER, PROOFFORGE and VERIAI, and is available immediately via Zambo Pass ($29 /mo).  \n\n“Transparency has been a missing piece in AI workflows,” said **Dr. Maya Patel, CEO of Zambo**. “Our verifiable work layer lets developers prove that every byte saved is exactly the byte saved, without claiming the result is correct. That distinction builds trust where it matters most.”  \n\n**About Zambo**  \nZambo builds infrastructure that makes AI output auditable, reproducible and trustworthy. By embedding cryptographic receipts into the data lifecycle, Zambo empowers enterprises to certify work before public release.  \n\n**Media Contact**  \nLena Ortiz, Director of Communications  \n[REDACTED_EMAIL]  \n+1 415‑555‑0198","result_preview_integrity":"display_only_not_committed","result_preview_truncated":false,"input_hash":"sha256:9b531a756cf526fe719faca4d053e0f5ea43bcc98897dc65821b4d368a5d8a40","input_hash_layout":"zambo-json-sorted-keys-utf8-v1","free_used":0,"free_remaining":0,"free_limit":0,"signal_handle":null,"tool":{"name":"write","version":"4.0.0","scope":"public"},"caller":{"type":"session","id":"sha256:4ddae22d99ab6e2e8d048751aaab0f8a052d4725c09331a26d24b090cec1f71a","label":"zambo-home-demo","label_source":"caller_reported"},"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":"EXECUTED BY ZAMBO","metadata_hash":"sha256:e79f261f8112116d4c978c0753525a56b506773df9e7fa4b563a4176f6818a3c","anchor":{"event_id":"60a8f1287600f521743aafb2926479650d7ae73b43e0c018642bde04c7139c4d","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.damus.io","wss://nos.lol","wss://relay.primal.net"],"status":"partial","published_at":"2026-10-14T19:31:08.608Z","schema_version":"zambo-receipt-anchor/1","envelope":{"anchored_at":"2026-10-14T19:31:07.714Z","evidence_url":null,"receipt_uuid":"346116b8-7c43-4126-b672-6ce822c11ce3","output_sha256":"sha256:f9c23d9f4bc85c19d037b5e9a45eadbfe72b65b3026015d678f71842e62cbbe3","schema_version":"zambo-receipt-anchor/1","evidence_sha256":null,"evidence_byte_length":null},"envelope_bytes":"{\"anchored_at\":\"2026-10-14T19:31:07.714Z\",\"evidence_byte_length\":null,\"evidence_sha256\":null,\"evidence_url\":null,\"output_sha256\":\"sha256:f9c23d9f4bc85c19d037b5e9a45eadbfe72b65b3026015d678f71842e62cbbe3\",\"receipt_uuid\":\"346116b8-7c43-4126-b672-6ce822c11ce3\",\"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":"2026-10-14T19:31:07.714Z","detail":"The receipt store reports 2026-10-14T19:31:07.714Z; 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:f9c23d9f4bc85c19d037b5e9a45eadbfe72b65b3026015d678f71842e62cbbe3","computed_hash":"sha256:f9c23d9f4bc85c19d037b5e9a45eadbfe72b65b3026015d678f71842e62cbbe3","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."}}}