{"_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_cb5b8b42ac45493fb3cc66747f14a45381681efbbdfb4a6074096e9aabd4eb37","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_cb5b8b42ac45493fb3cc66747f14a45381681efbbdfb4a6074096e9aabd4eb37","axiom_type":"AX.ABS","body":{"absence_streak_days":102,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":102,"evidence":{},"first_seen":"2026-02-18T16:00:39.039674Z","last_seen":"2026-06-01T10:00:33.967392Z","merkle_root":"dbd1085217dab204cc4828a0242797cc5da307aefa3a2317710a138200eed3c0","observation_count":76,"observation_type":"absence","observed_at":"2026-05-09T05:00:22Z","receipt_hash":"sha256:d75bd47257246e360bc61b269787e76f831f1cad9d71ac2e2e15203f8ff6e48d","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-05-09T05:00:22Z","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":"ed25519:9aa9d9b8784b997a3c8989a9cafec5ef14f8bfff924eb77cdd07dc6c052a7841b3b69735508f7b07f61a38b7945441563dcbecf3c504d2cf5056c8612269ac0f","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"Helsinki-NLP/opus-mt-es-eu"},"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":"9826e92af24a8dbc7595967a072626369e00b93ed505ac48aa56659805c28b28","leaf_index":190574,"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":"c1bee013b17aa028872e0486fa127b26ff570b3a7d856c70bfc21bed54c8ac13","side":"right"},{"sibling":"f4791d242e0cfda5f6a31d720d6d28258fc800a71b28d2654d1e298c7ab6c420","side":"left"},{"sibling":"59b2c53af9c9dfe032849aa223896329febb3d882895669138bfe415c885f58d","side":"left"},{"sibling":"be0caa57e6f2af71addfff6bcd475f58545a327dd3bf2265ffa505af2c4b8ba9","side":"left"},{"sibling":"c262f8dc6e2d6c0df107b98b4566bb96b40a1f3fe6a259c819e53b6ed04d6558","side":"right"},{"sibling":"14ece814f4e3e16f9e7773d84956fc7a85bb5b3669bc57e3b386b890f1964f1c","side":"left"},{"sibling":"3716f49a11304c5c9a1b813534de89d3b65069069ab95b762df14298c458d40a","side":"left"},{"sibling":"5e09d65250fa8c0d0c59b5d2c7e8178b406ca131561206ab2531efac58894824","side":"right"},{"sibling":"9b06f4f7ab64813d69671d9f2544fe15780af3c929e04c88d6dcd9978155e811","side":"right"},{"sibling":"658f86fc05ce76755162b3d1c5e3cc3ddcbcf79f86ddf77f31212a57be3e4c76","side":"right"},{"sibling":"a9eafd95556963ab2be0d8a075f470edd0b82b8ce6f7ccd82e07e45d0c2c7e5d","side":"right"},{"sibling":"94447fb0fc883a878af0c5f70d2d5d74420537276d8685c92281912fa9474ba7","side":"left"},{"sibling":"7f316a6778123b87278e868ba056b7edac7a0c65d0992d8a41851dc13a543950","side":"right"},{"sibling":"f1600782ea689fb7ddeed4405d41ba27b76758f1f51ccf3fcb53e928a41da945","side":"left"},{"sibling":"7263754cce83d4344a4e8e2b871ad9eb9c90bf3bc605db995cdaefd8006a3700","side":"left"},{"sibling":"5ea2f2dc9f046df723b6bd9932d61a9a3d80a76e79ce1b939b3d93ff79b5a91c","side":"left"},{"sibling":"8d7789979e38eb7f7b84702b30ab9db1d711aee8de7355713672fda69849f886","side":"right"},{"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_cb5b8b42ac45493fb3cc66747f14a45381681efbbdfb4a6074096e9aabd4eb37"}}