{"_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_4bc09f0e004f5a654e2e18637cf6e86316b5bed8a2b1429f7c22b1ecc92fde4d","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":"spider_vendor_press_v1","root_at_anchor":"spider_vendor_press_v1"}],"axiom_id":"axm_4bc09f0e004f5a654e2e18637cf6e86316b5bed8a2b1429f7c22b1ecc92fde4d","axiom_type":"AX.OBS","body":{"axiom_subtype":"news.vendor_press.v1","category":"news","fingerprint":"3d4b1368a76c2abe3e38364ab939f7a5083a096063b08c805f58a8a58d23a57a","published":"Thu, 09 Jul 2020 07:00:00 GMT","receipt_hash":"3d4b1368a76c2abe3e38364ab939f7a5083a096063b08c805f58a8a58d23a57a","schema":"spider.news.vendor_press.v1","spider":"vendor_press","spider_record":{"axiom_subtype":"news.vendor_press.v1","category":"news","decision_hint":"POSITIVE","envelope_target":"AX.OBS","fingerprint":"3d4b1368a76c2abe3e38364ab939f7a5083a096063b08c805f58a8a58d23a57a","observed_at":"2026-05-03T15:11:27.656745Z","parent_run_hash":null,"published":"Thu, 09 Jul 2020 07:00:00 GMT","runtime_version":"0.1.0","schema":"spider.news.vendor_press.v1","source_status":200,"source_url":"https://openai.com/blog/rss.xml","spider":"vendor_press","summary_excerpt":"Our third class of OpenAI Scholars presented their final projects at virtual Demo Day, showcasing their research results from over the past five months.","title":"OpenAI Scholars 2020: Final projects","url":"https://openai.com/index/openai-scholars-2020-final-projects","vendor":"openai"},"summary":"Our third class of OpenAI Scholars presented their final projects at virtual Demo Day, showcasing their research results from over the past five months.","title":"OpenAI Scholars 2020: Final projects","vendor":"openai"},"confidence":{"method":"deterministic"},"decision":"POSITIVE","issued_at":"2026-05-03T15:11:27Z","notes":"Spider vendor_press (news) news.vendor_press.v1","object":{"captured_by":"crovia.spider.vendor_press","primary_source_url":"https://openai.com/index/openai-scholars-2020-final-projects"},"predecessors":[],"schema":"crovia.axiom.v1","signature":"ed25519:70e2147a43b231a4a7abe1fa092e6599ea5b36ff8f50efd34c5b835d64741e77a26cc3f1f27c8c5a3afa21b7affd6457de2e1f06d8c0a0f56d66de19be4a3105","signer":"crovia.substrate","subject":{"observed_at":"2026-05-03T15:11:27Z","source_collector":"spider:vendor_press","target_id":"https://openai.com/index/openai-scholars-2020-final-projects"},"tsa":{"authority":"crovia.substrate.bootstrap","rfc3161_token":"{\"kind\":\"crovia.bootstrap.tsa\",\"source_jsonl\":\"/opt/crovia/spider/data/news/vendor_press_v1.jsonl\",\"source_seal_merkle_root\":\"spider_vendor_press_v1\",\"upgrade_path\":\"Sessione H \\u2014 OpenTimestamps weekly anchor\"}"},"zk_mode":"clear","zk_proof":null},"ledger":{"leaf_hash":"8891096911e9597f697129ede57ba881b6512c6baf0d5543e14b1e088599052c","leaf_index":111286,"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":"a572186f095af21d4532060fb9260f1412d86e3fdbb338a2c6290155b57346e1","side":"right"},{"sibling":"1f6e43a5b04ea7d52ae2031e9dea8b2cfb8de24166d5b298a311d875bc4a5cf4","side":"left"},{"sibling":"7e6b6d012057047eaf250b37265ac3837459b24c194b3bf81dca1c15a432c4b4","side":"left"},{"sibling":"761bcc2e11d9549f6d050024612afc930a304ef30b3a293914ae7094a3100af4","side":"right"},{"sibling":"29fd7bcd25038cd09eea2674a5458039ed246b51cf8c639164e03676ccc922c3","side":"left"},{"sibling":"86e442e638e5211253449d3377c3f76f9990f191246258e375241357408aebd5","side":"left"},{"sibling":"f01ccbfacf1c1bdfee86c4ecef80803cbf310d0b9e8886a74f640ee0adc6c246","side":"right"},{"sibling":"c3b6bc2a92a929153395bd488f116be1795aa53c22c134d42c45d915a516f551","side":"left"},{"sibling":"22664c4c4d36711e4d6d3caff9b8d78ad50645790ab4228b865f88ccc73b9804","side":"right"},{"sibling":"1e7f05cd06e20834fa02b399bd87f68b112d4974bb4065ba7a9f0541a6410670","side":"left"},{"sibling":"7322dcde9f6dec40cc973ca12dd1ebd16fe5aecf078317f5e57c51a436730eb5","side":"right"},{"sibling":"a6d6e5bc888edc394757fbba02b675bac6ad0831e36a6f5ebbaa4e5548f25603","side":"right"},{"sibling":"76d7c4385d71ae8104107105be66eddb792e01ed6e493db5a9b4eec5441abb76","side":"left"},{"sibling":"b03f005860bf95148ea89c703a32ca19ab7a2ca71b58bb628ff94a9edb8703b0","side":"left"},{"sibling":"21d1e30b556f553dc939fddc23e6367f0a7755ebe3dd489dc0001cef017beb7f","side":"right"},{"sibling":"f2817ab288b5324fe49770372c7a10f33f7cd11005f8d4c0a730316f5229dc98","side":"left"},{"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_4bc09f0e004f5a654e2e18637cf6e86316b5bed8a2b1429f7c22b1ecc92fde4d"}}