{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:F2ZDKSX6HUOLL7HD2VF6EFIVSW","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"20d797c61db728583452fe89f3144f7810fcebf3e827f4664678e0f1ac08219a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2021-09-11T20:09:18Z","title_canon_sha256":"eb7b7eff76de87f9443718072a2ffc9abdd4cb9cf8f88320d11dd1baaa1bd92b"},"schema_version":"1.0","source":{"id":"2109.05362","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.05362","created_at":"2026-07-05T03:13:38Z"},{"alias_kind":"arxiv_version","alias_value":"2109.05362v1","created_at":"2026-07-05T03:13:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.05362","created_at":"2026-07-05T03:13:38Z"},{"alias_kind":"pith_short_12","alias_value":"F2ZDKSX6HUOL","created_at":"2026-07-05T03:13:38Z"},{"alias_kind":"pith_short_16","alias_value":"F2ZDKSX6HUOLL7HD","created_at":"2026-07-05T03:13:38Z"},{"alias_kind":"pith_short_8","alias_value":"F2ZDKSX6","created_at":"2026-07-05T03:13:38Z"}],"graph_snapshots":[{"event_id":"sha256:75bc3470d839d61cc8d2adb742e7b3ab7fc1aca7974923c05a30b3138b7036f3","target":"graph","created_at":"2026-07-05T03:13:38Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2109.05362/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Extracting relations across large text spans has been relatively underexplored in NLP, but it is particularly important for high-value domains such as biomedicine, where obtaining high recall of the latest findings is crucial for practical applications. Compared to conventional information extraction confined to short text spans, document-level relation extraction faces additional challenges in both inference and learning. Given longer text spans, state-of-the-art neural architectures are less effective and task-specific self-supervision such as distant supervision becomes very noisy. In this ","authors_text":"Cliff Wong, Hoifung Poon, Naoto Usuyama, Sarthak Jain, Sheng Zhang, Tristan Naumann","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2021-09-11T20:09:18Z","title":"Modular Self-Supervision for Document-Level Relation Extraction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.05362","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:5716733cbcd0dd6ea7fa8553a42ce88996750f7a4c5218d16e0748726a037bc2","target":"record","created_at":"2026-07-05T03:13:38Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"20d797c61db728583452fe89f3144f7810fcebf3e827f4664678e0f1ac08219a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2021-09-11T20:09:18Z","title_canon_sha256":"eb7b7eff76de87f9443718072a2ffc9abdd4cb9cf8f88320d11dd1baaa1bd92b"},"schema_version":"1.0","source":{"id":"2109.05362","kind":"arxiv","version":1}},"canonical_sha256":"2eb2354afe3d1cb5fce3d54be21515958d8c9f648e81089cd5ca277452ee24c8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2eb2354afe3d1cb5fce3d54be21515958d8c9f648e81089cd5ca277452ee24c8","first_computed_at":"2026-07-05T03:13:38.173645Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:13:38.173645Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DHiH7D3/iTH9biLxILjBGUpEbw3JoM3tcbCoaUsgAZqZDg0vPKjdjIuGmUKfMEeba7uhgsMY04RsJ6dzlDl7Cg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:13:38.174002Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.05362","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5716733cbcd0dd6ea7fa8553a42ce88996750f7a4c5218d16e0748726a037bc2","sha256:75bc3470d839d61cc8d2adb742e7b3ab7fc1aca7974923c05a30b3138b7036f3"],"state_sha256":"a592185cbdd4f6317152fae2e675895e7bc1d070d0bfca79deca6d574c949121"}