{"_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_fa6c63566e4ae11ebf8181b2af9facd6e388b9faad294209156f2fdbddf7367b","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_fa6c63566e4ae11ebf8181b2af9facd6e388b9faad294209156f2fdbddf7367b","axiom_type":"AX.ABS","body":{"absence_streak_days":85,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":85,"evidence":{},"first_seen":"2026-01-31T20:00:01.593710Z","last_seen":"2026-04-27T09:00:46.370104Z","merkle_root":"0c6185a0555625cb7e4c111daa9f0f84c994714aab1ed52f6568ea8356e3b717","observation_count":67,"observation_type":"absence","observed_at":"2026-02-23T12:00:11Z","receipt_hash":"sha256:7989f396275df3fc7adfa059f38ff69ddaa0256035c6a3bbb046294fa0eb2d12","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-02-23T12:00:11Z","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":"ed25519:509bfcd34cf31812a83bbe8363457a35a423ff0dcdab04d03815a202f37130f509570e07b9acf4149b62d2ab87ed4aa61d5c44f0b72ac10a77eaa9976d0ae40c","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"jacobbieker/eumetsat-iodc"},"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":"8b56b670d9e5f910b3343954f9de3a1405213d854c306e05585b01251eb42d5e","leaf_index":19717,"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":"a8a1be8656ba317de74437624bd76cbbc0d3f1f5562d5c5e92db30544410f0de","side":"left"},{"sibling":"a9a01579a12ddde83f6a2397eb0ff3ed0aa7494a61cbeb2facea6316abad6382","side":"right"},{"sibling":"a05088494208d23e69efc1c4ec63829f15ed4e54ec4373d25f6572d2e24009d8","side":"left"},{"sibling":"96fbc65a4d831f9a5a4f8854c96114c43d2ea3adc5b8c4ea1f4dd6388d775e24","side":"right"},{"sibling":"8cd8b55366e0d3704bf6e75c1b565143a1661c8a2e40a9bd1154dc3abe27bf9f","side":"right"},{"sibling":"720d6183ea3abaf8e8152aa1e062bf72655541fe8e42205a3d082b84d098801b","side":"right"},{"sibling":"c629636f8505efde0166fdef8fc74b3654e74a13ad05f622aad9a314feb7e283","side":"right"},{"sibling":"4df2c0b235249f5d796054d742f0d3ec947a2211328fe14665e8f8613daa3979","side":"right"},{"sibling":"3d37e92d132ef69eb0077a1ff8ce8623cf89c2bba9948341ca0ec5aef6e6d8f7","side":"left"},{"sibling":"b04fc6cdc3c53ba1fd85687d296b21281ac10864e21f4143854c30de1c0a59eb","side":"right"},{"sibling":"47bddc040da6a534dedac13445f55ba338fc2b106f087c918aa9831172603479","side":"left"},{"sibling":"1e87b8a1dc8c84c92c37c15b9a53fef08e6532f9a4a373e3693151cfa40a10e2","side":"left"},{"sibling":"9f98b752f908c998d084203130320f412587a17e9bb32c972bd29fee8f1cc39f","side":"right"},{"sibling":"eec16c96580e075b43922d8a7dc062ce8f9be0b10cc1cdf0b87a5e6ee77122af","side":"right"},{"sibling":"91a4a35afb5dec86e273f4bc6b5c4ef9c235470a7f085dd00863cf2a49e61d64","side":"left"},{"sibling":"b2c325206b89124ba24d2e31ea7d540b6b4614663ea96edf7c615e7cab2d5bf1","side":"right"},{"sibling":"cc0e8d14567fc276aaffc2d1dc980dc8c5f78207f8e67d1a44382c24dfe0c665","side":"right"},{"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_fa6c63566e4ae11ebf8181b2af9facd6e388b9faad294209156f2fdbddf7367b"}}