{"_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_0a4b47904a434f2ca2b8bf054655ceaed5e5ddad80b7f5a6702a5b459f0b7bfa","bitcoin_anchor":{"bitcoin_attestations":["bitcoin_block_949451"],"calendar_attestations":["https://finney.calendar.eternitywall.com","https://btc.calendar.catallaxy.com","https://alice.btc.calendar.opentimestamps.org","https://bob.btc.calendar.opentimestamps.org"],"ots_url":"/registry/data/substrate/anchors/77fc9c28fae777b81da5b495b3115474df6592dfac590333213d3bdf8b94a9b3.ots","stamped_at":"2026-05-15T03:00:03Z","status":"bitcoin"},"envelope":{"anchors":[{"chain":"crovia.axiom_graph","height":0,"merkle_proof":"8a816048982f72db5efa56390c8b06e8773946b1d3a25139820455629f6aa37d","root_at_anchor":"8a816048982f72db5efa56390c8b06e8773946b1d3a25139820455629f6aa37d"}],"axiom_id":"axm_0a4b47904a434f2ca2b8bf054655ceaed5e5ddad80b7f5a6702a5b459f0b7bfa","axiom_type":"AX.ABS","body":{"absence_streak_days":63,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":63,"evidence":{},"first_seen":"2026-02-23T03:00:44.354122Z","last_seen":"2026-04-27T11:01:27.339442Z","merkle_root":"0c6185a0555625cb7e4c111daa9f0f84c994714aab1ed52f6568ea8356e3b717","observation_count":43,"observation_type":"absence","observed_at":"2026-03-04T00:01:05Z","receipt_hash":"sha256:ea153a69e7a577464c0faf33c524d87e0b55d0e1193223c6d8b04cffa2b21239","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-03-04T00:01:05Z","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":"ed25519:74a927d7d587c172dec8761598e5011a911200b1db9ec2b9155c5cf3d9018e6f5c016bece7982de2215d714b9289e4b76f56593131b0b08277bf69bdbcb30106","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"RadGenome/RadGenome-ChestCT"},"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":"da28231ae8516ab5753ddc38ef99a07b6d0c29ab9235d57f52c4fc2ce6362001","leaf_index":93573,"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":"ee41b333f08cbac6f96f2158bcdd1538cd09e7f98ec2f4af95f2dd9f527461b1","side":"left"},{"sibling":"a4a39b3cdafc8b7d62ed73c6b7c8e8d22253a0a5fb668c41f06dac968f68469b","side":"right"},{"sibling":"82638a34f95f3e3986f0066eeb3398882f5d39c82e8a36e10e4684f4dc263487","side":"left"},{"sibling":"295f85570871f72d2b657f8d41cb12d794d8bb5ceed9b4ce299dd0d09be6ea0c","side":"right"},{"sibling":"84e9f781d5db53e3e3cd7e9f8784cbfe3b5f4518883fa54c766a8c7a4091b760","side":"right"},{"sibling":"54575070dcd2042207d68c16d6cc9ba5d20d50671a523e240111a3cd8bb5aff0","side":"right"},{"sibling":"c5a336f35a000c74643441c58529458ea71a9bbdf8612fce842810c700ffbf55","side":"right"},{"sibling":"a843b04c53553118b51f7b868615fe8610468692a7b2148e2f5b1b211f02c3df","side":"left"},{"sibling":"d9a0a9b038c7a337671e1d03c9bb5febab52d1e418aae4189c6fb4238741e875","side":"left"},{"sibling":"7e20a047ec1db541e8df4119ae2f87693f8f2f0693f750271301511a7b3abbdf","side":"right"},{"sibling":"c918792b307f08bf23c67806ec177ca9a2ce49a43e1e6b58effaeb8871704d39","side":"left"},{"sibling":"2ac07d5927d34cbb545cad57d698e183d872371ca5120b32558d22cdb54f0449","side":"left"},{"sibling":"9f9bcb4f4064fc82c5f1e86d817a46d2a29aefd2382ca76e6708cfec4cc781e0","side":"right"},{"sibling":"9b97b7afcb038f5848ad3ef4f1f9d22e314ae918184b0dd2c894c272538fb8fd","side":"left"},{"sibling":"9a15d1993f357bb279d4dff09681bd714a19affce187ef4f7b5ecc1c7d0a3b9b","side":"left"},{"sibling":"309f6b889442fc3071c47ed203e9df610e54abc910768c36466c7eb883a80716","side":"right"},{"sibling":"725fac972e772ca0dc598810ea1abc70df472f72d2d6ab8a0baee2b80e5d2f4c","side":"left"},{"sibling":"98fc57dfef8873b512edc8340f7181df57302bb96777625e072235c62d7c5895","side":"right"}]},"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":134292,"merkle_root":"77fc9c28fae777b81da5b495b3115474df6592dfac590333213d3bdf8b94a9b3","public_key_hex":"cf742e26f75669dc673cb5c0786a1ae23ae8ca19c347317192ce40c28a7ff25c","run_id":"hourly_json_retrofit_20260515T023701Z","schema":"crovia.seal.v1","seal_family_version":"crovia-seal-family/1","seal_kind":"substrate_batch","sealed_at":"2026-05-15T02:37:25Z","sig_algorithm":"ed25519","signature":"68107a834b00b24f5d4501e5ec727445311f132a486567ecc4c72a4e6dff24c8c21f2de3105293353ba5fdbe370d032819af6aa70f694e2e39b6af6737507009","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_0a4b47904a434f2ca2b8bf054655ceaed5e5ddad80b7f5a6702a5b459f0b7bfa"}}