{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:4XZN6KTVOG2U2PWWDHSRVTU4XE","short_pith_number":"pith:4XZN6KTV","canonical_record":{"source":{"id":"2107.02294","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2021-07-05T21:56:00Z","cross_cats_sorted":[],"title_canon_sha256":"73b304322c4f8305ca783c83a5d526df2baffc2a4c269e1131aa3643d6ecf3e7","abstract_canon_sha256":"032bccff45ae90f7e558c2e4c4ce06c02f630d78348e8be57256ec5f26903458"},"schema_version":"1.0"},"canonical_sha256":"e5f2df2a7571b54d3ed619e51ace9cb929996f482e930aac1f25fc486cd75164","source":{"kind":"arxiv","id":"2107.02294","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.02294","created_at":"2026-07-05T02:55:18Z"},{"alias_kind":"arxiv_version","alias_value":"2107.02294v1","created_at":"2026-07-05T02:55:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.02294","created_at":"2026-07-05T02:55:18Z"},{"alias_kind":"pith_short_12","alias_value":"4XZN6KTVOG2U","created_at":"2026-07-05T02:55:18Z"},{"alias_kind":"pith_short_16","alias_value":"4XZN6KTVOG2U2PWW","created_at":"2026-07-05T02:55:18Z"},{"alias_kind":"pith_short_8","alias_value":"4XZN6KTV","created_at":"2026-07-05T02:55:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:4XZN6KTVOG2U2PWWDHSRVTU4XE","target":"record","payload":{"canonical_record":{"source":{"id":"2107.02294","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2021-07-05T21:56:00Z","cross_cats_sorted":[],"title_canon_sha256":"73b304322c4f8305ca783c83a5d526df2baffc2a4c269e1131aa3643d6ecf3e7","abstract_canon_sha256":"032bccff45ae90f7e558c2e4c4ce06c02f630d78348e8be57256ec5f26903458"},"schema_version":"1.0"},"canonical_sha256":"e5f2df2a7571b54d3ed619e51ace9cb929996f482e930aac1f25fc486cd75164","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:55:18.962818Z","signature_b64":"8SUUA3h3T3pfAfp0UNalwCXaYYSiQ204UlbcafuSjUpAWT+z4t7K33WoH1HvaIfyOZx5s3LADau3YAUzA44cCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e5f2df2a7571b54d3ed619e51ace9cb929996f482e930aac1f25fc486cd75164","last_reissued_at":"2026-07-05T02:55:18.962329Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:55:18.962329Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2107.02294","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":"2026-07-05T02:55:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kgz+3YFyWfli/J6YWE5VDlpxX5Lenwxa6KbR+iHnN3gS2+tfHlGto0SIg6XLEzzA3i27QPerIJ5mxAWBJpa7BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T13:32:24.653183Z"},"content_sha256":"12e100987440b245b9fc812afd9d0e198cb5afb2a9de2ce520f975f581e31f43","schema_version":"1.0","event_id":"sha256:12e100987440b245b9fc812afd9d0e198cb5afb2a9de2ce520f975f581e31f43"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:4XZN6KTVOG2U2PWWDHSRVTU4XE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"What Helps Transformers Recognize Conversational Structure? Importance of Context, Punctuation, and Labels in Dialog Act Recognition","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Najim Dehak, Piotr \\.Zelasko, Raghavendra Pappagari","submitted_at":"2021-07-05T21:56:00Z","abstract_excerpt":"Dialog acts can be interpreted as the atomic units of a conversation, more fine-grained than utterances, characterized by a specific communicative function. The ability to structure a conversational transcript as a sequence of dialog acts -- dialog act recognition, including the segmentation -- is critical for understanding dialog. We apply two pre-trained transformer models, XLNet and Longformer, to this task in English and achieve strong results on Switchboard Dialog Act and Meeting Recorder Dialog Act corpora with dialog act segmentation error rates (DSER) of 8.4% and 14.2%. To understand t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.02294","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/2107.02294/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":"2026-07-05T02:55:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B8pQGsal6k+YNWUNczbfnUoUQfcl8xoxF6g+yK1VSXlliWHUA7g2kHGpS0dlJ3qMjVZyYCjEeRAwj4794/hiDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T13:32:24.653849Z"},"content_sha256":"192c393a52d0ee1db2ca2251eb435e7865fe204cb39b90b3fe80dbc231b070bd","schema_version":"1.0","event_id":"sha256:192c393a52d0ee1db2ca2251eb435e7865fe204cb39b90b3fe80dbc231b070bd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4XZN6KTVOG2U2PWWDHSRVTU4XE/bundle.json","state_url":"https://pith.science/pith/4XZN6KTVOG2U2PWWDHSRVTU4XE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4XZN6KTVOG2U2PWWDHSRVTU4XE/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":"2026-07-05T13:32:24Z","links":{"resolver":"https://pith.science/pith/4XZN6KTVOG2U2PWWDHSRVTU4XE","bundle":"https://pith.science/pith/4XZN6KTVOG2U2PWWDHSRVTU4XE/bundle.json","state":"https://pith.science/pith/4XZN6KTVOG2U2PWWDHSRVTU4XE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4XZN6KTVOG2U2PWWDHSRVTU4XE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:4XZN6KTVOG2U2PWWDHSRVTU4XE","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":"032bccff45ae90f7e558c2e4c4ce06c02f630d78348e8be57256ec5f26903458","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2021-07-05T21:56:00Z","title_canon_sha256":"73b304322c4f8305ca783c83a5d526df2baffc2a4c269e1131aa3643d6ecf3e7"},"schema_version":"1.0","source":{"id":"2107.02294","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.02294","created_at":"2026-07-05T02:55:18Z"},{"alias_kind":"arxiv_version","alias_value":"2107.02294v1","created_at":"2026-07-05T02:55:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.02294","created_at":"2026-07-05T02:55:18Z"},{"alias_kind":"pith_short_12","alias_value":"4XZN6KTVOG2U","created_at":"2026-07-05T02:55:18Z"},{"alias_kind":"pith_short_16","alias_value":"4XZN6KTVOG2U2PWW","created_at":"2026-07-05T02:55:18Z"},{"alias_kind":"pith_short_8","alias_value":"4XZN6KTV","created_at":"2026-07-05T02:55:18Z"}],"graph_snapshots":[{"event_id":"sha256:192c393a52d0ee1db2ca2251eb435e7865fe204cb39b90b3fe80dbc231b070bd","target":"graph","created_at":"2026-07-05T02:55:18Z","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/2107.02294/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Dialog acts can be interpreted as the atomic units of a conversation, more fine-grained than utterances, characterized by a specific communicative function. The ability to structure a conversational transcript as a sequence of dialog acts -- dialog act recognition, including the segmentation -- is critical for understanding dialog. We apply two pre-trained transformer models, XLNet and Longformer, to this task in English and achieve strong results on Switchboard Dialog Act and Meeting Recorder Dialog Act corpora with dialog act segmentation error rates (DSER) of 8.4% and 14.2%. To understand t","authors_text":"Najim Dehak, Piotr \\.Zelasko, Raghavendra Pappagari","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2021-07-05T21:56:00Z","title":"What Helps Transformers Recognize Conversational Structure? Importance of Context, Punctuation, and Labels in Dialog Act Recognition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.02294","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":"sha256:12e100987440b245b9fc812afd9d0e198cb5afb2a9de2ce520f975f581e31f43","target":"record","created_at":"2026-07-05T02:55:18Z","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":"032bccff45ae90f7e558c2e4c4ce06c02f630d78348e8be57256ec5f26903458","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2021-07-05T21:56:00Z","title_canon_sha256":"73b304322c4f8305ca783c83a5d526df2baffc2a4c269e1131aa3643d6ecf3e7"},"schema_version":"1.0","source":{"id":"2107.02294","kind":"arxiv","version":1}},"canonical_sha256":"e5f2df2a7571b54d3ed619e51ace9cb929996f482e930aac1f25fc486cd75164","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e5f2df2a7571b54d3ed619e51ace9cb929996f482e930aac1f25fc486cd75164","first_computed_at":"2026-07-05T02:55:18.962329Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:55:18.962329Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8SUUA3h3T3pfAfp0UNalwCXaYYSiQ204UlbcafuSjUpAWT+z4t7K33WoH1HvaIfyOZx5s3LADau3YAUzA44cCg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:55:18.962818Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.02294","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:12e100987440b245b9fc812afd9d0e198cb5afb2a9de2ce520f975f581e31f43","sha256:192c393a52d0ee1db2ca2251eb435e7865fe204cb39b90b3fe80dbc231b070bd"],"state_sha256":"b6b3aba298519644821ae4ef046a8665af1446f31c7209dd278ff30eda106981"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Olz9NzOj/2e/6SU8rcz9Z/6/FeyDs5nz9zepWRifElx3ikYw9vZ4RZdNE7JjX+xq2tZ5DefxYZkMhbxD4+SdAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T13:32:24.657423Z","bundle_sha256":"3686b6134174146a0495589d8f38d986f6ce1b74992fa953083c46978cb2dc0a"}}