{"_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_c65f4507dad8dd33fc392bf4c00a7d3a753e41d59da557b6b19e0e9fb72ab21d","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_c65f4507dad8dd33fc392bf4c00a7d3a753e41d59da557b6b19e0e9fb72ab21d","axiom_type":"AX.OBS","body":{"axiom_subtype":"news.vendor_press.v1","category":"news","fingerprint":"fc2541e175e2f69895b9e4743948e9f9e617279a45c0f7b9cf293f69e5642bad","published":"Fri, 20 May 2022 00:00:00 GMT","receipt_hash":"fc2541e175e2f69895b9e4743948e9f9e617279a45c0f7b9cf293f69e5642bad","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":"fc2541e175e2f69895b9e4743948e9f9e617279a45c0f7b9cf293f69e5642bad","observed_at":"2026-05-03T15:11:24.659906Z","parent_run_hash":null,"published":"Fri, 20 May 2022 00:00:00 GMT","runtime_version":"0.1.0","schema":"spider.news.vendor_press.v1","source_status":200,"source_url":"https://huggingface.co/blog/feed.xml","spider":"vendor_press","summary_excerpt":"","title":"An Introduction to Q-Learning Part 2/2","url":"https://huggingface.co/blog/deep-rl-q-part2","vendor":"huggingface"},"title":"An Introduction to Q-Learning Part 2/2","vendor":"huggingface"},"confidence":{"method":"deterministic"},"decision":"POSITIVE","issued_at":"2026-05-03T15:11:24Z","notes":"Spider vendor_press (news) news.vendor_press.v1","object":{"captured_by":"crovia.spider.vendor_press","primary_source_url":"https://huggingface.co/blog/deep-rl-q-part2"},"predecessors":[],"schema":"crovia.axiom.v1","signature":"ed25519:7cc2b936ef2514f875ff155b7c0379055b41d70b13e8ac6fe4f34a7179020fb4baf4dd33b46f17af41486de2a25b34b46d4f94dff6295a2bb0674a3396667a08","signer":"crovia.substrate","subject":{"observed_at":"2026-05-03T15:11:24Z","source_collector":"spider:vendor_press","target_id":"https://huggingface.co/blog/deep-rl-q-part2"},"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":"64922ff0ec45cac5682fd5e6e53bd5e0050bb9b648965eb87731cb9ecd80dc36","leaf_index":110402,"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":"9daeb143c900a61a23da410ac9aae26dd3014009b2d3ebc7870704ccde2507aa","side":"right"},{"sibling":"945a1fb6af61f0e7bd7ab75c0cb7e8a0bd919ca9af0ae64a9bde25964bf70f65","side":"left"},{"sibling":"2bb28152de8590ac5b8cdcccf9596f6da4c7e9077e23a0718f8faa0671931aa7","side":"right"},{"sibling":"6e70f66d7ed8a950803fce5c4a857df92bedaa05b471fb6f3fbcd9fcb88eafdb","side":"right"},{"sibling":"e47ed770d278697b3ac5dc47aa82d86515ecc4be3bd4f39678f72ec3d0a2b4e8","side":"right"},{"sibling":"aee8fc06ed09b61891b3171208f19ce5757540da8c6ab4989afba6822f539b83","side":"right"},{"sibling":"df2cd6ff52195459d54726079d3c101a46fd4ba95f54700044492f8c5a2e2888","side":"left"},{"sibling":"1c049e85a4cfcf151c5b225d5a4679056c73284a57fd01321ad3afb3de4443f5","side":"right"},{"sibling":"d083a78c4b4d5e4280ec11d49c80ec84f1a63b3a00cc1c4e7d9011c3e4e3ab0b","side":"left"},{"sibling":"fba2a8a46a1af234c8484ab63ed18ec6222a310105191fee4958942a91fb2658","side":"left"},{"sibling":"64fbaccdc8b5bd01d46acfdc9a54533930f17e48413d2bfb95faa219b25fd92a","side":"left"},{"sibling":"5fd379d86d735b636882deb8c93f7c77b98bd8044b7e40b4e9a8407c31b8cc5e","side":"left"},{"sibling":"0a2127ad514a08804fc69a2fe1c82fdd0632e2079e22aba2643dd86d31b186d6","side":"right"},{"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_c65f4507dad8dd33fc392bf4c00a7d3a753e41d59da557b6b19e0e9fb72ab21d"}}