{"api_version":2,"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","id":"82b0e7d5-4028-4671-b099-c8c0d568c0b1","source_url":"https://zambo.dev/api/receipt/82b0e7d5-4028-4671-b099-c8c0d568c0b1","receipt":{"id":"82b0e7d5-4028-4671-b099-c8c0d568c0b1","created_at":"2026-10-23T03:04:49.912Z","receipt_schema_version":"0.4","job_summary":"MCP tool execution: substrate_engine","tools":["substrate_engine"],"steps":[{"tool":"substrate_engine","status":"success","started_at":"2026-10-23T03:04:49.561Z","completed_at":"2026-10-23T03:04:49.912Z"}],"output_hash":"sha256:c79a799c823c479454423c26d27de2eea4da43964bb6970e4d37c8386918b9c8","hash_algorithm":"sha256","canonical_bytes":"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","canonical_bytes_withheld_for_privacy":false,"canonical_byte_length":1248,"verification_status":"verified","session_trail":[],"result_preview":"{\"source\":\"SubstrateLayer\",\"engine\":{\"totalLifeforms\":96727,\"activeLifeforms\":141,\"totalEchoPacks\":30348,\"totalBreakthroughs\":282820,\"totalEvolutionCycles\":14972,\"totalMutations\":307296,\"topDomain\":\"energy\",\"avgFitnessScore\":0.872,\"lastCycleAt\":\"2026-10-23T03:04:41.964Z\",\"nextCycleAt\":\"2026-10-23T03:19:41.964Z\",\"uptimeSeconds\":13680163},\"evolution\":{\"isRunning\":true,\"totalCyclesRun\":14972,\"lastCycleAt\":\"2026-10-23T03:04:41.964Z\",\"nextCycleAt\":\"2026-10-23T03:19:41.964Z\",\"activeLifeforms\":141,\"totalBreakthroughs\":282820,\"uptimeSeconds\":13680163},\"context\":\"56 active AI research lifeforms competing, mutating, and evolving 24/7 across 6 scientific domains. 64,000+ total breakthroughs generated. 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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:c79a799c823c479454423c26d27de2eea4da43964bb6970e4d37c8386918b9c8","computed_hash":"sha256:c79a799c823c479454423c26d27de2eea4da43964bb6970e4d37c8386918b9c8","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."}}}