{"_canonicalization":{"envelope_id":"axm_ + sha256(envelope minus {signature, axiom_id, anchors})","envelope_signature":"ed25519(envelope minus {signature, axiom_id})","json":"sort_keys=True, separators=(',',':'), ensure_ascii=False, allow_nan=False, utf-8","leaf_hash":"sha256(0x00 || canonical_json(envelope_full))","seal_signature":"ed25519(seal minus {signature, sig_algorithm})"},"axiom_id":"axm_4fcfb09f4e8d78e2e8b483dc48558d1540c5088bc106bb952a35f9154fb4ba17","bitcoin_anchor":{"bitcoin_attestations":[],"calendar_attestations":[],"ots_url":"","stamped_at":"","status":"pending_next_stamp"},"envelope":{"anchors":[{"chain":"crovia.axiom_graph","height":0,"merkle_proof":"8a816048982f72db5efa56390c8b06e8773946b1d3a25139820455629f6aa37d","root_at_anchor":"8a816048982f72db5efa56390c8b06e8773946b1d3a25139820455629f6aa37d"}],"axiom_id":"axm_4fcfb09f4e8d78e2e8b483dc48558d1540c5088bc106bb952a35f9154fb4ba17","axiom_type":"AX.ABS","body":{"absence_streak_days":98,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":98,"evidence":{},"first_seen":"2026-02-22T21:01:00.338571Z","last_seen":"2026-06-01T08:01:14.281698Z","merkle_root":"dbd1085217dab204cc4828a0242797cc5da307aefa3a2317710a138200eed3c0","observation_count":64,"observation_type":"absence","observed_at":"2026-05-05T11:00:24Z","receipt_hash":"sha256:254651669507becd9a1932a2ba46358a253125c51351fac343b4111d344e99a6","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-05-05T11:00:24Z","notes":"AX.ABS minted from collector record with observation_type=absence","object":{"captured_by":"autonomous_observer","primary_source_url":""},"predecessors":[],"schema":"crovia.axiom.v1","signature":"ed25519:5866f05ba81bc27105927d57d950fe469459751e22ee3d943049afa3e12f0002faacc52780060bb39b8f4973a2b2eaf6f4c1539db5d9b5985742bce09554c002","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"cs229-audio-ml-project/musdb18-processed"},"tsa":{"authority":"crovia.substrate.bootstrap","rfc3161_token":"{\"kind\":\"crovia.bootstrap.tsa\",\"source_jsonl\":\"/opt/crovia/hf_datasets/global-ai-training-omissions/observations.jsonl\",\"source_seal_merkle_root\":\"8a816048982f72db5efa56390c8b06e8773946b1d3a25139820455629f6aa37d\",\"upgrade_path\":\"Sessione H \\u2014 OpenTimestamps weekly anchor\"}"},"zk_mode":"clear","zk_proof":null},"ledger":{"leaf_hash":"134e6269929ebcb8c490d376cda5cc4e222907e2b9ef00bb0cdc5bcccf9eb10e","leaf_index":201916,"ledger_path":"/opt/crovia/substrate/axiom_ledger.jsonl"},"merkle_proof":{"hash_alg":"sha256","leaf_prefix":"0x00","node_prefix":"0x01","odd_leaf_rule":"duplicate_last","path":[{"sibling":"76bd27303eda597742e36915de1e546c8cd5839e6ebc31573d459a7270b8950d","side":"right"},{"sibling":"1086f1771e2bd75fcc21f7e55739aef42d7e3d6470bc842729b9542bdbe76dab","side":"right"},{"sibling":"53bf438345faf79ac83819e14f8b8419abc4fba1a55f5c5c349dd3d697948576","side":"left"},{"sibling":"c65da909aad7ab2f8ad9ffe3f57492777c48c8569f628e5c2ffb0126a9a84391","side":"left"},{"sibling":"0ff051b155bd4c3f4401e42c96c774b185a04e4c0ab51ee0dd75b5de28842882","side":"left"},{"sibling":"295ece84b112c6abd9c17791ae83ee9757c9494aff238d4d45003b241ecffcf4","side":"left"},{"sibling":"1b837bb75f959d5f6cd08b18f05a2ef0100a726453cf39b5449546d068636044","side":"right"},{"sibling":"16fbda980da016fe3b9734cfe5391d9f25b04dd4f0997e54c700e42438bf46d0","side":"left"},{"sibling":"91f9a4e8f9bb09ce4df1fd1899f4b1178d8426f5121d63c8c3f11c42a2192600","side":"right"},{"sibling":"48443398498e6b884a9aa1cbecc16d62905ac990d30afb12c5e7d998cac1526d","side":"right"},{"sibling":"c93fad698a1c463d01e4eaa14d9800a7235472633a9a73dc76e8fe2574b191d6","side":"left"},{"sibling":"7425808ff3d83b251d6f169e332384527d4e6853d87d32dfa7ca84184acfaa46","side":"right"},{"sibling":"1715a957725f308a94a8f50020a8355db31ec7241777aae8748aa5f0f40889ea","side":"left"},{"sibling":"f19f9cbe8e5a04d3d274e8be8f611602556cbd19a2f9e7c7afc798b815a226a0","side":"right"},{"sibling":"5d3d9b7b29b07dced290cc7a06c5b1db5df597baaf3236871a5c1ced6463aaeb","side":"right"},{"sibling":"1c40d18600737921292fee85528a9fffaf9e884a43500ea913306d8326cffeac","side":"right"},{"sibling":"c300cf0154c136afc09b1702a0be98f4ba5b6dc5cf57e8cc714ec1eaf4196eff","side":"left"},{"sibling":"d841ad93efda0869e5eb97678f348f03f5caab4353e05ff4bf18f47fb945b822","side":"left"}]},"schema":"crovia.axiom_proof.v1","seal":{"first_collector_run_id":"","first_receipt_hash":"","jsonl_path":"/opt/crovia/substrate/axiom_ledger.jsonl","key_id":"430895f101d38164","last_collector_run_id":"","last_receipt_hash":"","leaf_count":204300,"merkle_root":"6504e34fd02d2abe97efe13b648586c36b6744934616d8b9864f387ec884ec66","public_key_hex":"cf742e26f75669dc673cb5c0786a1ae23ae8ca19c347317192ce40c28a7ff25c","run_id":"hourly_json_retrofit_20260601T153829Z","schema":"crovia.seal.v1","seal_family_version":"crovia-seal-family/1","seal_kind":"substrate_batch","sealed_at":"2026-06-01T16:09:32Z","sig_algorithm":"ed25519","signature":"7fdc403f3c179a8f64ffdde58e48fcd6fdf4e21de53bff0a7ee6d43e90a4244d782ff4bda8961e0ca286a66a2e7c3aaed63cd0679574b36e0453f5cc47eb4901","signer_version":"1.1.0"},"trust_root":{"key_id":"430895f101d38164","public_key_hex":"cf742e26f75669dc673cb5c0786a1ae23ae8ca19c347317192ce40c28a7ff25c","signature_algorithm":"ed25519","url":"/registry/canon/TRUST_ROOT.md"},"verifier":{"spec":"/registry/canon/AXIOM_RECEIPT_v1.md","url":"/v/axm_4fcfb09f4e8d78e2e8b483dc48558d1540c5088bc106bb952a35f9154fb4ba17"}}