{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:H4K3DTR53KPXANWVRG3VY6WENF","short_pith_number":"pith:H4K3DTR5","canonical_record":{"source":{"id":"2004.00248","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2020-04-01T06:19:56Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"cb276a951953cc8c82d01f2ec46027ac530a324880d39f03a2fc83e9e1f61c5d","abstract_canon_sha256":"986ae2aaf970ba010dadf30b87b08eed5ec4eab20f6eada362dd7386ada1d04b"},"schema_version":"1.0"},"canonical_sha256":"3f15b1ce3dda9f7036d589b75c7ac4695abab2c447ca9bfd19120b1021ebe87b","source":{"kind":"arxiv","id":"2004.00248","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.00248","created_at":"2026-07-05T00:52:09Z"},{"alias_kind":"arxiv_version","alias_value":"2004.00248v1","created_at":"2026-07-05T00:52:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.00248","created_at":"2026-07-05T00:52:09Z"},{"alias_kind":"pith_short_12","alias_value":"H4K3DTR53KPX","created_at":"2026-07-05T00:52:09Z"},{"alias_kind":"pith_short_16","alias_value":"H4K3DTR53KPXANWV","created_at":"2026-07-05T00:52:09Z"},{"alias_kind":"pith_short_8","alias_value":"H4K3DTR5","created_at":"2026-07-05T00:52:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:H4K3DTR53KPXANWVRG3VY6WENF","target":"record","payload":{"canonical_record":{"source":{"id":"2004.00248","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2020-04-01T06:19:56Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"cb276a951953cc8c82d01f2ec46027ac530a324880d39f03a2fc83e9e1f61c5d","abstract_canon_sha256":"986ae2aaf970ba010dadf30b87b08eed5ec4eab20f6eada362dd7386ada1d04b"},"schema_version":"1.0"},"canonical_sha256":"3f15b1ce3dda9f7036d589b75c7ac4695abab2c447ca9bfd19120b1021ebe87b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:52:09.240588Z","signature_b64":"4EnZEYWJooxpJv/6TaZeDf9weHi0oEWiEPWsVT8QwhBmem/lpT6zUAK7+oyjfGx3gCYXDqlA3ALbnwn5tQL+Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3f15b1ce3dda9f7036d589b75c7ac4695abab2c447ca9bfd19120b1021ebe87b","last_reissued_at":"2026-07-05T00:52:09.240219Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:52:09.240219Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2004.00248","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:52:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ibE2AeCIDorSwsVkC50xjwnTWOKb9FvvjeoN8lizE+SceU7v8ken5mB1k5un8n+ootCB9i/lTsLuBM1Ga4ioDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T20:48:17.887536Z"},"content_sha256":"fe004ca4da736d0b8d885ebd129f2cb0cd6f9b2984b0ea985256d74ffdfe4e8a","schema_version":"1.0","event_id":"sha256:fe004ca4da736d0b8d885ebd129f2cb0cd6f9b2984b0ea985256d74ffdfe4e8a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:H4K3DTR53KPXANWVRG3VY6WENF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Adversarial Transfer Learning for Punctuation Restoration","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"cs.CL","authors_text":"Cunhang Fan, Jiangyan Yi, Jianhua Tao, Ye Bai, Zhengkun Tian","submitted_at":"2020-04-01T06:19:56Z","abstract_excerpt":"Previous studies demonstrate that word embeddings and part-of-speech (POS) tags are helpful for punctuation restoration tasks. However, two drawbacks still exist. One is that word embeddings are pre-trained by unidirectional language modeling objectives. Thus the word embeddings only contain left-to-right context information. The other is that POS tags are provided by an external POS tagger. So computation cost will be increased and incorrect predicted tags may affect the performance of restoring punctuation marks during decoding. This paper proposes adversarial transfer learning to address th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.00248","kind":"arxiv","version":1},"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/2004.00248/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":"2026-07-05T00:52:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HInsHnjQV2G19rwcb/Vc+GNXyxkSbH2T8KlKTi4C1+kPmgqRtBk97nYJqGWHGIxIw4dDvxmyVIUBWFHfhQCrAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T20:48:17.888136Z"},"content_sha256":"7c83988f90d09f3b683aa920f44b5dc335271e96f676ad87f772464b07451d3c","schema_version":"1.0","event_id":"sha256:7c83988f90d09f3b683aa920f44b5dc335271e96f676ad87f772464b07451d3c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H4K3DTR53KPXANWVRG3VY6WENF/bundle.json","state_url":"https://pith.science/pith/H4K3DTR53KPXANWVRG3VY6WENF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H4K3DTR53KPXANWVRG3VY6WENF/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":"2026-08-06T20:48:17Z","links":{"resolver":"https://pith.science/pith/H4K3DTR53KPXANWVRG3VY6WENF","bundle":"https://pith.science/pith/H4K3DTR53KPXANWVRG3VY6WENF/bundle.json","state":"https://pith.science/pith/H4K3DTR53KPXANWVRG3VY6WENF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H4K3DTR53KPXANWVRG3VY6WENF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:H4K3DTR53KPXANWVRG3VY6WENF","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":"986ae2aaf970ba010dadf30b87b08eed5ec4eab20f6eada362dd7386ada1d04b","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2020-04-01T06:19:56Z","title_canon_sha256":"cb276a951953cc8c82d01f2ec46027ac530a324880d39f03a2fc83e9e1f61c5d"},"schema_version":"1.0","source":{"id":"2004.00248","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.00248","created_at":"2026-07-05T00:52:09Z"},{"alias_kind":"arxiv_version","alias_value":"2004.00248v1","created_at":"2026-07-05T00:52:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.00248","created_at":"2026-07-05T00:52:09Z"},{"alias_kind":"pith_short_12","alias_value":"H4K3DTR53KPX","created_at":"2026-07-05T00:52:09Z"},{"alias_kind":"pith_short_16","alias_value":"H4K3DTR53KPXANWV","created_at":"2026-07-05T00:52:09Z"},{"alias_kind":"pith_short_8","alias_value":"H4K3DTR5","created_at":"2026-07-05T00:52:09Z"}],"graph_snapshots":[{"event_id":"sha256:7c83988f90d09f3b683aa920f44b5dc335271e96f676ad87f772464b07451d3c","target":"graph","created_at":"2026-07-05T00:52:09Z","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/2004.00248/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Previous studies demonstrate that word embeddings and part-of-speech (POS) tags are helpful for punctuation restoration tasks. However, two drawbacks still exist. One is that word embeddings are pre-trained by unidirectional language modeling objectives. Thus the word embeddings only contain left-to-right context information. The other is that POS tags are provided by an external POS tagger. So computation cost will be increased and incorrect predicted tags may affect the performance of restoring punctuation marks during decoding. This paper proposes adversarial transfer learning to address th","authors_text":"Cunhang Fan, Jiangyan Yi, Jianhua Tao, Ye Bai, Zhengkun Tian","cross_cats":["cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2020-04-01T06:19:56Z","title":"Adversarial Transfer Learning for Punctuation Restoration"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.00248","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:fe004ca4da736d0b8d885ebd129f2cb0cd6f9b2984b0ea985256d74ffdfe4e8a","target":"record","created_at":"2026-07-05T00:52:09Z","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":"986ae2aaf970ba010dadf30b87b08eed5ec4eab20f6eada362dd7386ada1d04b","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2020-04-01T06:19:56Z","title_canon_sha256":"cb276a951953cc8c82d01f2ec46027ac530a324880d39f03a2fc83e9e1f61c5d"},"schema_version":"1.0","source":{"id":"2004.00248","kind":"arxiv","version":1}},"canonical_sha256":"3f15b1ce3dda9f7036d589b75c7ac4695abab2c447ca9bfd19120b1021ebe87b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3f15b1ce3dda9f7036d589b75c7ac4695abab2c447ca9bfd19120b1021ebe87b","first_computed_at":"2026-07-05T00:52:09.240219Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:52:09.240219Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4EnZEYWJooxpJv/6TaZeDf9weHi0oEWiEPWsVT8QwhBmem/lpT6zUAK7+oyjfGx3gCYXDqlA3ALbnwn5tQL+Cg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:52:09.240588Z","signed_message":"canonical_sha256_bytes"},"source_id":"2004.00248","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fe004ca4da736d0b8d885ebd129f2cb0cd6f9b2984b0ea985256d74ffdfe4e8a","sha256:7c83988f90d09f3b683aa920f44b5dc335271e96f676ad87f772464b07451d3c"],"state_sha256":"dd30705621d51544afe1ef9710931917b1293dcdf26833be56bc789793a62b7c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GYgyL60WCHzR3CsIT8UedYWYcKtAigzrr/ZuSGO+aMMdC7DEi4/WjKCCfaZWte4Y5O1OiGLAznFazJu3SyQCBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T20:48:17.892543Z","bundle_sha256":"753720bc6a521ef2a763b872f9b999cead516fb8555ed11bdbfb96e93d56913b"}}