{"_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_bd71c80503aceb58543ecdb2efa1ae8eaef4b88288e129fa49c73f1bc1b44ace","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_bd71c80503aceb58543ecdb2efa1ae8eaef4b88288e129fa49c73f1bc1b44ace","axiom_type":"AX.ABS","body":{"absence_streak_days":66,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":66,"evidence":{},"first_seen":"2026-02-20T00:01:06.111899Z","last_seen":"2026-04-27T10:00:59.013311Z","merkle_root":"0c6185a0555625cb7e4c111daa9f0f84c994714aab1ed52f6568ea8356e3b717","observation_count":53,"observation_type":"absence","observed_at":"2026-03-18T06:00:49Z","receipt_hash":"sha256:1ae6234af4c51df8b05f34e046b003e2b1a20c733957e098c883cdf52ffa42f2","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-03-18T06:00:49Z","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":"ed25519:1f5bc5268d1a2af32308f5c339756f419ffd0c8cdf48dde61725b14b998231f4eecbf0546c8b16a5cec4b69dd141538dc19ab47db45d438c5d7e76cb81895108","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"rafaelstankiewicz/setfit-article-classifier"},"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":"37ae86392e805db57eabe2c0fed959d9a5349634d9324a9c74f6c11a4ebd2f20","leaf_index":74956,"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":"0c12dfeaf2635995f0047c7f76a9e7855d13f1e1369cce99f058a02e6cee16db","side":"right"},{"sibling":"6b5840071fc0784d05f82db46dcca3c8866a78f2f7c4f4d147b92ee86ee07994","side":"right"},{"sibling":"791d75b41abf512a21f3dcd0274e25f5041b96cb21cfd8c7e76f28b3deb0c75a","side":"left"},{"sibling":"867999ffbd47b6eaa1c948b5d4a1dcefe9a52f1e93adf603b93293a8f5c9bb28","side":"left"},{"sibling":"60238981db7307234d06cfdfa7707c6c33a31e2a91614e21293da061d693b5c9","side":"right"},{"sibling":"e744b438662584a01fd09c174e7c55d3e86f0548e7d7395eef6dfa70c105d9af","side":"right"},{"sibling":"af700996d149fdf5b827c7d3d6f7a8ec3eb4d8bd21cb20c2eb7aeab1de14a923","side":"left"},{"sibling":"3f408d724c15f94526f772b8e9b7ee22fdfdc351cbc49959846ed511912ecf50","side":"left"},{"sibling":"070923395c748a9b08811d9252506df45b91305e8ed3d10a1f22e35509b3550a","side":"right"},{"sibling":"df1e9ad47ab681f6a7c2a1ec3747c0ec0e8a3c33f283d4531248e5fb0d789943","side":"right"},{"sibling":"aab4b4890a48a6e3cb30b3ed75e621f745d6036dbfceefec94a24b299eab3036","side":"left"},{"sibling":"25f3046725794dad7b4f9c0060fbc3fc7cc0e3e77d0227595131e742191bd963","side":"right"},{"sibling":"33424e652ea44304cb406c6648c64abcc7beb38a1252d692bfc8d23638f2b948","side":"right"},{"sibling":"65ff23311867bed6ed3a2828669ef534081c1feb92557143850e59cdc9c50a08","side":"left"},{"sibling":"0fef91ab88810c661a18c430bde793ce9e2b5d0c1f8a5c1fbc689fbd5721cada","side":"right"},{"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_bd71c80503aceb58543ecdb2efa1ae8eaef4b88288e129fa49c73f1bc1b44ace"}}