{"_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_4fb88ea4076ab2a79c7e20daced59aa572723ee8dd12ae556609ec14554f7dcc","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_4fb88ea4076ab2a79c7e20daced59aa572723ee8dd12ae556609ec14554f7dcc","axiom_type":"AX.OBS","body":{"axiom_subtype":"news.vendor_press.v1","category":"news","fingerprint":"e488180beff47689842440bc7b239dcb1c4ec63e4c9303cf3962d1a6f7aac294","published":"Wed, 01 Apr 2026 00:00:00 GMT","receipt_hash":"e488180beff47689842440bc7b239dcb1c4ec63e4c9303cf3962d1a6f7aac294","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":"e488180beff47689842440bc7b239dcb1c4ec63e4c9303cf3962d1a6f7aac294","observed_at":"2026-05-03T15:11:24.659906Z","parent_run_hash":null,"published":"Wed, 01 Apr 2026 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":"Any Custom Frontend with Gradio's Backend","url":"https://huggingface.co/blog/introducing-gradio-server","vendor":"huggingface"},"title":"Any Custom Frontend with Gradio's Backend","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/introducing-gradio-server"},"predecessors":[],"schema":"crovia.axiom.v1","signature":"ed25519:683266fb17a35645d620e318723a53a8fe517ec93d8066e3ea6ade2a8f6ba37269a63ba2c4e8ec7f22f18382baada45618f60631909b104759c7c3fc2c8a7903","signer":"crovia.substrate","subject":{"observed_at":"2026-05-03T15:11:24Z","source_collector":"spider:vendor_press","target_id":"https://huggingface.co/blog/introducing-gradio-server"},"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":"1a81fea88268b64715a764670476d48a1d04802ed129204c7bf6aa3cb35d23b0","leaf_index":109734,"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":"4f0c94045cef6f5863aa65ba182ed62236ed498be0c3124e50a5a4660933ea73","side":"right"},{"sibling":"bb07dafd8d0a218a43ea483585e5bcff28c470565b04db762f957f1162a0620b","side":"left"},{"sibling":"bc91c77388e9afbac5037728b0dcc1eb4dbbf8ef74db8757560e22620aa14c2f","side":"left"},{"sibling":"28a711902c095f5bf5941d0bfbcaf9b9251f5385a14e080a6276231057ea66f9","side":"right"},{"sibling":"ab8d1f32265c016fa101b744ff4775bcc2395582f781205d42db4532054fe541","side":"right"},{"sibling":"d04df5fa7a8cd037205e3234d159d8b2117e6841e4c4f687ad328cc388b2adf1","side":"left"},{"sibling":"5b5e001463db15a1689734262ebd19a75a2781c446d8ea121fe4a7ac29eb41b0","side":"right"},{"sibling":"fe285563ace15adeabd9e61171e497ec595b04fe200f07a83ec6614cd65f24c0","side":"left"},{"sibling":"485fda9aa84ee47eb531b4be9a531a2d33738f3539d0ab5c4ccc8f4c238bb9ff","side":"right"},{"sibling":"7f33dbe0958c9366ac41686ea7991b9481138cb54a4217bec3c9a9e46751326a","side":"right"},{"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_4fb88ea4076ab2a79c7e20daced59aa572723ee8dd12ae556609ec14554f7dcc"}}