{"_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_02866187236fa0ec39b368efe051fb661ac2e31c2efa5d60ea7706af5cdaa321","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_02866187236fa0ec39b368efe051fb661ac2e31c2efa5d60ea7706af5cdaa321","axiom_type":"AX.ABS","body":{"absence_streak_days":73,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":73,"evidence":{},"first_seen":"2026-02-09T00:00:01.017645Z","last_seen":"2026-04-23T04:00:57.631128Z","merkle_root":"0c6185a0555625cb7e4c111daa9f0f84c994714aab1ed52f6568ea8356e3b717","observation_count":31,"observation_type":"absence","observed_at":"2026-04-22T23:00:54Z","receipt_hash":"sha256:3ed1c6e137b9071c67377f071bb4b1210b6b281665634393f7a57538fb853d8b","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-04-22T23:00:54Z","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":"ed25519:0deace9a105e9f3597c20d76a10581af638952350287baac2fd16bf2f30364294a7b0b9c3190430f6992c1ecd0f41d5109546b7f1d11ce580c8049c758382106","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"uoft-cs/cifar10"},"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":"99bc2b924022843c154111b15ac69645f4e1f9c4d0f5b4f6c8b64056b8362832","leaf_index":32002,"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":"26c5dc499f55bbeba1b18f62abfb054b7b6375be23bc9a5a230d702cea56535f","side":"right"},{"sibling":"849ea90831e3c665f8a4e9d9c049d099b240a0af12b32f48d9d790aa304fba2a","side":"left"},{"sibling":"1e020c2f6d8685ab9e13dc725b832ec92ffcc37db8998a6554684edaeec9278a","side":"right"},{"sibling":"1abfbbbb9f7823432107e68c3ef4ce337f09f1c0e23317ec0a1dde6d20dc7ab5","side":"right"},{"sibling":"7b2fe3b5204bbb1855a363c7cda2e06dc3c0e1ed341928e8e98079fa5db2c830","side":"right"},{"sibling":"092c3ba2f0ce73deb76abf881da72a2279630f334eff761c96f018d669c50b85","side":"right"},{"sibling":"3942305e81bbf7fd25b670d4112d7e1fc56347097646b8cce3412073fc9211be","side":"right"},{"sibling":"80590db17ee055836c8ed21ee141d1d6856661ed43b054d1f849ee1a626b8627","side":"right"},{"sibling":"c04d045c24de656c96a504080228d2a9e6c9e6920427ba69adf395d8bb0a7144","side":"left"},{"sibling":"c27122513b11524d76689e65ab17d5eda24009103da4479e4465c500ff68ead8","side":"right"},{"sibling":"c5c03ddb4c87e9051b4f363e7ce8dd15f10cd061fd983cba5ae7aba1b40ccc85","side":"left"},{"sibling":"84fd87cf506750d449bd1d0194bca66acf8c364d7cbfe9afa16008a188bb943a","side":"left"},{"sibling":"a208cb44742818d184d95a43f0482c63318f53dac637b2c5dd88e9db8cd08142","side":"left"},{"sibling":"0e2aad2ff6c1a1a07420893862ebd4c79652af914d16b0743c0011c954e61254","side":"left"},{"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_02866187236fa0ec39b368efe051fb661ac2e31c2efa5d60ea7706af5cdaa321"}}