{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:UZYOKS27VHRB35WDUZKK55ASZ4","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":"6c717ea2e8a060cd1fe90e68219e25f5b6ed27565148856ee3b382ac645b08f7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-11-10T01:01:45Z","title_canon_sha256":"307e2636c121184be1326aeaffa25d6ca1d614e3f53521aaaec613faacb25eb0"},"schema_version":"1.0","source":{"id":"1911.03814","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.03814","created_at":"2026-07-05T01:38:33Z"},{"alias_kind":"arxiv_version","alias_value":"1911.03814v3","created_at":"2026-07-05T01:38:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.03814","created_at":"2026-07-05T01:38:33Z"},{"alias_kind":"pith_short_12","alias_value":"UZYOKS27VHRB","created_at":"2026-07-05T01:38:33Z"},{"alias_kind":"pith_short_16","alias_value":"UZYOKS27VHRB35WD","created_at":"2026-07-05T01:38:33Z"},{"alias_kind":"pith_short_8","alias_value":"UZYOKS27","created_at":"2026-07-05T01:38:33Z"}],"graph_snapshots":[{"event_id":"sha256:ed9a5a2aa06fa294dce8c1337ea174a60669c5c99ae847f3714a41978f260bce","target":"graph","created_at":"2026-07-05T01:38:33Z","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/1911.03814/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper introduces a conceptually simple, scalable, and highly effective BERT-based entity linking model, along with an extensive evaluation of its accuracy-speed trade-off. We present a two-stage zero-shot linking algorithm, where each entity is defined only by a short textual description. The first stage does retrieval in a dense space defined by a bi-encoder that independently embeds the mention context and the entity descriptions. Each candidate is then re-ranked with a cross-encoder, that concatenates the mention and entity text. Experiments demonstrate that this approach is state of t","authors_text":"Fabio Petroni, Ledell Wu, Luke Zettlemoyer, Martin Josifoski, Sebastian Riedel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-11-10T01:01:45Z","title":"Scalable Zero-shot Entity Linking with Dense Entity Retrieval"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.03814","kind":"arxiv","version":3},"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:e582276e66907e8c7ad81995781f734ac0d66e42d5ab5fb089c804f7eb69a8e9","target":"record","created_at":"2026-07-05T01:38:33Z","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":"6c717ea2e8a060cd1fe90e68219e25f5b6ed27565148856ee3b382ac645b08f7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-11-10T01:01:45Z","title_canon_sha256":"307e2636c121184be1326aeaffa25d6ca1d614e3f53521aaaec613faacb25eb0"},"schema_version":"1.0","source":{"id":"1911.03814","kind":"arxiv","version":3}},"canonical_sha256":"a670e54b5fa9e21df6c3a654aef412cf35a04cae90c43518a5fd96abd6ee79ed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a670e54b5fa9e21df6c3a654aef412cf35a04cae90c43518a5fd96abd6ee79ed","first_computed_at":"2026-07-05T01:38:33.918674Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:38:33.918674Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NIHTdk4N3o28o/KQZk7UzmGSz2JSDFrIrPDqvAMYhH+CVkSmCjBiDEbU3IbVkoxTup27iYbI3x0uKWvTxvECAw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:38:33.919070Z","signed_message":"canonical_sha256_bytes"},"source_id":"1911.03814","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e582276e66907e8c7ad81995781f734ac0d66e42d5ab5fb089c804f7eb69a8e9","sha256:ed9a5a2aa06fa294dce8c1337ea174a60669c5c99ae847f3714a41978f260bce"],"state_sha256":"62912f12f93131aa4f18c917146b06d3e3c310f2d2b52cc968b7437617b811d2"}