{"_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_c95b8f9fadd16640a4ffd17ced91d6a5c4f8c9885b60e5de6ec6c50b958d60a2","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":"31e56c70c3fd344ee117c6d74d9024feb4ff911108a02d718b6a55fe2cfca023","root_at_anchor":"31e56c70c3fd344ee117c6d74d9024feb4ff911108a02d718b6a55fe2cfca023"}],"axiom_id":"axm_c95b8f9fadd16640a4ffd17ced91d6a5c4f8c9885b60e5de6ec6c50b958d60a2","axiom_type":"AX.OBS","body":{"collector_run_at":"2026-04-26T17:52:16Z","collector_run_id":"wb_441718751c8e43e2","collector_version":"1.0.0","evidence":{"captured_by":"archive.org","memento_rel":"memento","original_url":"https://huggingface.co/distilbert/distilbert-base-uncased-finetuned-sst-2-english","wayback_timestamp_14":"20251003173128","wayback_url":"https://web.archive.org/web/20251003173128/https://huggingface.co/distilbert/distilbert-base-uncased-finetuned-sst-2-english"},"observation_type":"presence","observed_at":"2025-10-03T17:31:28Z","receipt_hash":"sha256:0bef4b112ed95136d1c8dd02ce3d93e9b05a7fe5749837ec8a284b76e24d7d9f"},"confidence":{"method":"deterministic"},"decision":"POSITIVE","issued_at":"2025-10-03T17:31:28Z","object":{"captured_by":"archive.org","primary_source_url":"https://web.archive.org/web/20251003173128/https://huggingface.co/distilbert/distilbert-base-uncased-finetuned-sst-2-english"},"predecessors":[],"schema":"crovia.axiom.v1","signature":"ed25519:57a6ba58710db399804280d20493ef2d401bcd425932b0cc0dd6d601170952fe01d59f84396c1e85206bf414472d73be61f4d8449969ca79f9340a50e1be4807","signer":"crovia.substrate","subject":{"source_collector":"wayback_hf_collector","target_id":"distilbert/distilbert-base-uncased-finetuned-sst-2-english"},"tsa":{"authority":"crovia.substrate.bootstrap","rfc3161_token":"{\"kind\":\"crovia.bootstrap.tsa\",\"source_jsonl\":\"/opt/crovia/private/wayback/observations.jsonl\",\"source_seal_merkle_root\":\"31e56c70c3fd344ee117c6d74d9024feb4ff911108a02d718b6a55fe2cfca023\",\"upgrade_path\":\"Sessione H \\u2014 OpenTimestamps weekly anchor\"}"},"zk_mode":"clear","zk_proof":null},"ledger":{"leaf_hash":"aded383b80c780dbafa3b73c92711a968be9dacc6458eda59b98f383045a7a31","leaf_index":871,"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":"f491e3d1e3bac0f36f0e8ed9e2b328fbcc733160bedf5163bba3b600fe00f519","side":"left"},{"sibling":"b7fcb632ba952a50c6dfb3e1861b35f7b7a09f7ccaa9a11a04ecf07a6d325d0b","side":"left"},{"sibling":"36f1c6ef56076fba9fb72811a41cee50129edf0962ce724ee00f32854e7e8d63","side":"left"},{"sibling":"d2f8bffd209fc85025be1f40dbfc023665b27372d82760eb3daa98698f0db412","side":"right"},{"sibling":"e2a00245504c6e61fb3675cb44889961f6e90abbc91407a279e7fa69c7860216","side":"right"},{"sibling":"966e37581b7b52ea4cb140b99ca71aa0436793575a33aa8c9e32cad3b8e99d7b","side":"left"},{"sibling":"6960c733edc64bd075038c72e8ea2e4ee89ee219031abf65204a84080032c3b6","side":"left"},{"sibling":"3645b14d59d3d07afbe3451320aa13075b26374aece54f22fd7e678abc2edc48","side":"right"},{"sibling":"51abdaea5411fed6e2207c116686c899487785cd4d08722776a713625301e7c2","side":"left"},{"sibling":"066ed8b126daaf62a3aeb00b9ae5bad9d6b0559d2bfbda79dc76a00c72089451","side":"left"},{"sibling":"f846f12111512873af428f9aad8e356cba278a32d612fd70efb011aa46285907","side":"right"},{"sibling":"623535fc89f53ad08717073be84e8c2bb72ec74d16c1a59664cedcd566d42733","side":"right"},{"sibling":"d9f4787321cb2f66843893e927c7b365218e8b83a8547e752a589dc1146d5584","side":"right"},{"sibling":"726a39776c18e1b1059ddafb85fca25a64a50da3965a9327bd5890bb94829d34","side":"right"},{"sibling":"6851cc5038d4bb734cf48506a6e1655137e1f089817a44d9732da91812c537ad","side":"right"},{"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_c95b8f9fadd16640a4ffd17ced91d6a5c4f8c9885b60e5de6ec6c50b958d60a2"}}