{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:T57TC4KI5N2PF47COK2IGLGUYC","short_pith_number":"pith:T57TC4KI","canonical_record":{"source":{"id":"1908.04943","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-08-14T03:45:15Z","cross_cats_sorted":[],"title_canon_sha256":"b59942dac2b662eaffc412b0c6a23bf82138c2fdc953dbf3e151b8054c802c01","abstract_canon_sha256":"a371d3cddbf3abd141b2174ec86268aa162b4059f87f0589d4ca32138c5fbe3d"},"schema_version":"1.0"},"canonical_sha256":"9f7f317148eb74f2f3e272b4832cd4c0bf656ef654ca069820d1054f52666081","source":{"kind":"arxiv","id":"1908.04943","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.04943","created_at":"2026-07-05T01:05:09Z"},{"alias_kind":"arxiv_version","alias_value":"1908.04943v4","created_at":"2026-07-05T01:05:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.04943","created_at":"2026-07-05T01:05:09Z"},{"alias_kind":"pith_short_12","alias_value":"T57TC4KI5N2P","created_at":"2026-07-05T01:05:09Z"},{"alias_kind":"pith_short_16","alias_value":"T57TC4KI5N2PF47C","created_at":"2026-07-05T01:05:09Z"},{"alias_kind":"pith_short_8","alias_value":"T57TC4KI","created_at":"2026-07-05T01:05:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:T57TC4KI5N2PF47COK2IGLGUYC","target":"record","payload":{"canonical_record":{"source":{"id":"1908.04943","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-08-14T03:45:15Z","cross_cats_sorted":[],"title_canon_sha256":"b59942dac2b662eaffc412b0c6a23bf82138c2fdc953dbf3e151b8054c802c01","abstract_canon_sha256":"a371d3cddbf3abd141b2174ec86268aa162b4059f87f0589d4ca32138c5fbe3d"},"schema_version":"1.0"},"canonical_sha256":"9f7f317148eb74f2f3e272b4832cd4c0bf656ef654ca069820d1054f52666081","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:05:09.663085Z","signature_b64":"NRYNAiriOo/R2i+dgEkJl4zZ5VWIrIkv6pxr0WxTaBUCxpzvTgur0A6kClvmn3yxqt91RkU6MirqTshV9NA7DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9f7f317148eb74f2f3e272b4832cd4c0bf656ef654ca069820d1054f52666081","last_reissued_at":"2026-07-05T01:05:09.662643Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:05:09.662643Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.04943","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:05:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cBMXdPFokq28TMuWdAsJczNTGtQNpHigVgYIGt3tsLXyY8K1eph26s3Mle1+lADyrB8J8hRWpmyRootI8/GbDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T06:11:13.359218Z"},"content_sha256":"a1aa0f92442a9b4a2aab29e2b1e63955a5d0e2b4bca0f385037333c3802ce056","schema_version":"1.0","event_id":"sha256:a1aa0f92442a9b4a2aab29e2b1e63955a5d0e2b4bca0f385037333c3802ce056"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:T57TC4KI5N2PF47COK2IGLGUYC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Establishing Strong Baselines for the New Decade: Sequence Tagging, Syntactic and Semantic Parsing with BERT","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Han He, Jinho D. Choi","submitted_at":"2019-08-14T03:45:15Z","abstract_excerpt":"This paper presents new state-of-the-art models for three tasks, part-of-speech tagging, syntactic parsing, and semantic parsing, using the cutting-edge contextualized embedding framework known as BERT. For each task, we first replicate and simplify the current state-of-the-art approach to enhance its model efficiency. We then evaluate our simplified approaches on those three tasks using token embeddings generated by BERT. 12 datasets in both English and Chinese are used for our experiments. The BERT models outperform the previously best-performing models by 2.5% on average (7.5% for the most "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.04943","kind":"arxiv","version":4},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1908.04943/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:05:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2FM4v8wh22uaKVgemU4ZhhaJm9cty6R7rfMBC3Srea4LeFYjCVwy8Q/V+1/bx9oVWG+LHr4KdvD85c5LoQS/CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T06:11:13.359718Z"},"content_sha256":"a21301d7e5eeb2d442d647a0887d07428dac053a48b24abbb9489beb21fef032","schema_version":"1.0","event_id":"sha256:a21301d7e5eeb2d442d647a0887d07428dac053a48b24abbb9489beb21fef032"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T57TC4KI5N2PF47COK2IGLGUYC/bundle.json","state_url":"https://pith.science/pith/T57TC4KI5N2PF47COK2IGLGUYC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T57TC4KI5N2PF47COK2IGLGUYC/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-16T06:11:13Z","links":{"resolver":"https://pith.science/pith/T57TC4KI5N2PF47COK2IGLGUYC","bundle":"https://pith.science/pith/T57TC4KI5N2PF47COK2IGLGUYC/bundle.json","state":"https://pith.science/pith/T57TC4KI5N2PF47COK2IGLGUYC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T57TC4KI5N2PF47COK2IGLGUYC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:T57TC4KI5N2PF47COK2IGLGUYC","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":"a371d3cddbf3abd141b2174ec86268aa162b4059f87f0589d4ca32138c5fbe3d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-08-14T03:45:15Z","title_canon_sha256":"b59942dac2b662eaffc412b0c6a23bf82138c2fdc953dbf3e151b8054c802c01"},"schema_version":"1.0","source":{"id":"1908.04943","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.04943","created_at":"2026-07-05T01:05:09Z"},{"alias_kind":"arxiv_version","alias_value":"1908.04943v4","created_at":"2026-07-05T01:05:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.04943","created_at":"2026-07-05T01:05:09Z"},{"alias_kind":"pith_short_12","alias_value":"T57TC4KI5N2P","created_at":"2026-07-05T01:05:09Z"},{"alias_kind":"pith_short_16","alias_value":"T57TC4KI5N2PF47C","created_at":"2026-07-05T01:05:09Z"},{"alias_kind":"pith_short_8","alias_value":"T57TC4KI","created_at":"2026-07-05T01:05:09Z"}],"graph_snapshots":[{"event_id":"sha256:a21301d7e5eeb2d442d647a0887d07428dac053a48b24abbb9489beb21fef032","target":"graph","created_at":"2026-07-05T01:05:09Z","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/1908.04943/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper presents new state-of-the-art models for three tasks, part-of-speech tagging, syntactic parsing, and semantic parsing, using the cutting-edge contextualized embedding framework known as BERT. For each task, we first replicate and simplify the current state-of-the-art approach to enhance its model efficiency. We then evaluate our simplified approaches on those three tasks using token embeddings generated by BERT. 12 datasets in both English and Chinese are used for our experiments. The BERT models outperform the previously best-performing models by 2.5% on average (7.5% for the most ","authors_text":"Han He, Jinho D. Choi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-08-14T03:45:15Z","title":"Establishing Strong Baselines for the New Decade: Sequence Tagging, Syntactic and Semantic Parsing with BERT"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.04943","kind":"arxiv","version":4},"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:a1aa0f92442a9b4a2aab29e2b1e63955a5d0e2b4bca0f385037333c3802ce056","target":"record","created_at":"2026-07-05T01:05:09Z","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":"a371d3cddbf3abd141b2174ec86268aa162b4059f87f0589d4ca32138c5fbe3d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-08-14T03:45:15Z","title_canon_sha256":"b59942dac2b662eaffc412b0c6a23bf82138c2fdc953dbf3e151b8054c802c01"},"schema_version":"1.0","source":{"id":"1908.04943","kind":"arxiv","version":4}},"canonical_sha256":"9f7f317148eb74f2f3e272b4832cd4c0bf656ef654ca069820d1054f52666081","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9f7f317148eb74f2f3e272b4832cd4c0bf656ef654ca069820d1054f52666081","first_computed_at":"2026-07-05T01:05:09.662643Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:05:09.662643Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NRYNAiriOo/R2i+dgEkJl4zZ5VWIrIkv6pxr0WxTaBUCxpzvTgur0A6kClvmn3yxqt91RkU6MirqTshV9NA7DA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:05:09.663085Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.04943","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a1aa0f92442a9b4a2aab29e2b1e63955a5d0e2b4bca0f385037333c3802ce056","sha256:a21301d7e5eeb2d442d647a0887d07428dac053a48b24abbb9489beb21fef032"],"state_sha256":"b6f78bd25dfc45211a2b8a120814e100390a183c4deb398cee83bb315db42a8e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b7mWryeNl/5IkVjKMUulkEIkITDefegCDGKWkwckblvSpxW/xYotptTp+MESJVSsc3W6ZJVB4Hxe8ku2Y4seAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T06:11:13.364482Z","bundle_sha256":"848d34f60accd6ce2f020efd368d0f9d3225d5d999bc41850b9e97b365372e4b"}}