{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:6F6EP4LOR2CEYZBUZ6UWW2IK5N","short_pith_number":"pith:6F6EP4LO","canonical_record":{"source":{"id":"2104.08601","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2021-04-17T17:46:00Z","cross_cats_sorted":[],"title_canon_sha256":"39a9f9f1ff26f41ac63adadb031c42250cec90c59e4eb6d52d50d76597267dd9","abstract_canon_sha256":"1b328e785249201dd39157655fafcedc02370e707ac38339b5963ffa3705f8a7"},"schema_version":"1.0"},"canonical_sha256":"f17c47f16e8e844c6434cfa96b690aeb54f9ffbe9812ff06e2aecbbcd0979d64","source":{"kind":"arxiv","id":"2104.08601","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.08601","created_at":"2026-07-05T02:32:53Z"},{"alias_kind":"arxiv_version","alias_value":"2104.08601v1","created_at":"2026-07-05T02:32:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.08601","created_at":"2026-07-05T02:32:53Z"},{"alias_kind":"pith_short_12","alias_value":"6F6EP4LOR2CE","created_at":"2026-07-05T02:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"6F6EP4LOR2CEYZBU","created_at":"2026-07-05T02:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"6F6EP4LO","created_at":"2026-07-05T02:32:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:6F6EP4LOR2CEYZBUZ6UWW2IK5N","target":"record","payload":{"canonical_record":{"source":{"id":"2104.08601","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2021-04-17T17:46:00Z","cross_cats_sorted":[],"title_canon_sha256":"39a9f9f1ff26f41ac63adadb031c42250cec90c59e4eb6d52d50d76597267dd9","abstract_canon_sha256":"1b328e785249201dd39157655fafcedc02370e707ac38339b5963ffa3705f8a7"},"schema_version":"1.0"},"canonical_sha256":"f17c47f16e8e844c6434cfa96b690aeb54f9ffbe9812ff06e2aecbbcd0979d64","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:32:53.947274Z","signature_b64":"7jf5j2xx/URnSus+3vtALGeTwqCkDGGHUm7y9g++VThGXtf5FU+oGJjbZ/ozjpC0FPA1B46Y5S92On8VKPE2Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f17c47f16e8e844c6434cfa96b690aeb54f9ffbe9812ff06e2aecbbcd0979d64","last_reissued_at":"2026-07-05T02:32:53.946726Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:32:53.946726Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2104.08601","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":"2026-07-05T02:32:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jQOQNX+M70dCfI5xvcEcNmcLNmIm9dS/nUYilshgMQpQlZ20YPne6bJwBNUKx8BN1rXgCItGF7Cuu6vuLIkJBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T18:31:52.328682Z"},"content_sha256":"3400a388ba2b202c23c4a0ad713b6b4a97e817bccc7708dd00251eb2d4f3f04b","schema_version":"1.0","event_id":"sha256:3400a388ba2b202c23c4a0ad713b6b4a97e817bccc7708dd00251eb2d4f3f04b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:6F6EP4LOR2CEYZBUZ6UWW2IK5N","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Who Responded to Whom: The Joint Effects of Latent Topics and Discourse in Conversation Structure","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Jing Li, Lu Ji, Qi Zhang, Xuanjing Huang, Zhongyu Wei","submitted_at":"2021-04-17T17:46:00Z","abstract_excerpt":"Numerous online conversations are produced on a daily basis, resulting in a pressing need to conversation understanding. As a basis to structure a discussion, we identify the responding relations in the conversation discourse, which link response utterances to their initiations. To figure out who responded to whom, here we explore how the consistency of topic contents and dependency of discourse roles indicate such interactions, whereas most prior work ignore the effects of latent factors underlying word occurrences. We propose a model to learn latent topics and discourse in word distributions"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.08601","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/2104.08601/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":"2026-07-05T02:32:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dv5wlmPBUF/HgOfVnJunIWPxhua5lCHK3YpoyM113QJ0JGgKRHvG507cxCAuWJSQGqcX9PfRjbsy36o1B/oqCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T18:31:52.329080Z"},"content_sha256":"b5d0d7f125f163d7118ce294f0b873bec97e569879e3c4e9c1cb8bd540d89b13","schema_version":"1.0","event_id":"sha256:b5d0d7f125f163d7118ce294f0b873bec97e569879e3c4e9c1cb8bd540d89b13"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6F6EP4LOR2CEYZBUZ6UWW2IK5N/bundle.json","state_url":"https://pith.science/pith/6F6EP4LOR2CEYZBUZ6UWW2IK5N/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6F6EP4LOR2CEYZBUZ6UWW2IK5N/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":"2026-08-07T18:31:52Z","links":{"resolver":"https://pith.science/pith/6F6EP4LOR2CEYZBUZ6UWW2IK5N","bundle":"https://pith.science/pith/6F6EP4LOR2CEYZBUZ6UWW2IK5N/bundle.json","state":"https://pith.science/pith/6F6EP4LOR2CEYZBUZ6UWW2IK5N/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6F6EP4LOR2CEYZBUZ6UWW2IK5N/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:6F6EP4LOR2CEYZBUZ6UWW2IK5N","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":"1b328e785249201dd39157655fafcedc02370e707ac38339b5963ffa3705f8a7","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2021-04-17T17:46:00Z","title_canon_sha256":"39a9f9f1ff26f41ac63adadb031c42250cec90c59e4eb6d52d50d76597267dd9"},"schema_version":"1.0","source":{"id":"2104.08601","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.08601","created_at":"2026-07-05T02:32:53Z"},{"alias_kind":"arxiv_version","alias_value":"2104.08601v1","created_at":"2026-07-05T02:32:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.08601","created_at":"2026-07-05T02:32:53Z"},{"alias_kind":"pith_short_12","alias_value":"6F6EP4LOR2CE","created_at":"2026-07-05T02:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"6F6EP4LOR2CEYZBU","created_at":"2026-07-05T02:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"6F6EP4LO","created_at":"2026-07-05T02:32:53Z"}],"graph_snapshots":[{"event_id":"sha256:b5d0d7f125f163d7118ce294f0b873bec97e569879e3c4e9c1cb8bd540d89b13","target":"graph","created_at":"2026-07-05T02:32:53Z","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/2104.08601/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Numerous online conversations are produced on a daily basis, resulting in a pressing need to conversation understanding. As a basis to structure a discussion, we identify the responding relations in the conversation discourse, which link response utterances to their initiations. To figure out who responded to whom, here we explore how the consistency of topic contents and dependency of discourse roles indicate such interactions, whereas most prior work ignore the effects of latent factors underlying word occurrences. We propose a model to learn latent topics and discourse in word distributions","authors_text":"Jing Li, Lu Ji, Qi Zhang, Xuanjing Huang, Zhongyu Wei","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2021-04-17T17:46:00Z","title":"Who Responded to Whom: The Joint Effects of Latent Topics and Discourse in Conversation Structure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.08601","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":"sha256:3400a388ba2b202c23c4a0ad713b6b4a97e817bccc7708dd00251eb2d4f3f04b","target":"record","created_at":"2026-07-05T02:32:53Z","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":"1b328e785249201dd39157655fafcedc02370e707ac38339b5963ffa3705f8a7","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2021-04-17T17:46:00Z","title_canon_sha256":"39a9f9f1ff26f41ac63adadb031c42250cec90c59e4eb6d52d50d76597267dd9"},"schema_version":"1.0","source":{"id":"2104.08601","kind":"arxiv","version":1}},"canonical_sha256":"f17c47f16e8e844c6434cfa96b690aeb54f9ffbe9812ff06e2aecbbcd0979d64","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f17c47f16e8e844c6434cfa96b690aeb54f9ffbe9812ff06e2aecbbcd0979d64","first_computed_at":"2026-07-05T02:32:53.946726Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:32:53.946726Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7jf5j2xx/URnSus+3vtALGeTwqCkDGGHUm7y9g++VThGXtf5FU+oGJjbZ/ozjpC0FPA1B46Y5S92On8VKPE2Bw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:32:53.947274Z","signed_message":"canonical_sha256_bytes"},"source_id":"2104.08601","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3400a388ba2b202c23c4a0ad713b6b4a97e817bccc7708dd00251eb2d4f3f04b","sha256:b5d0d7f125f163d7118ce294f0b873bec97e569879e3c4e9c1cb8bd540d89b13"],"state_sha256":"daaa7d5507ca907e3e38298ab61e06e735d31407faef74af58ae45378be184af"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9kVS+nmrW0oxxMrwHUpvXNFuGC1V1ttTVtRcl7i4A15wkp3V7HihdkhkL24KZDQwl5fFV5e0vgxqI82fe0qHBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T18:31:52.331949Z","bundle_sha256":"8a4c74aed4b7b3cc4b8470792d4fddb2902ee495557c29be66fe893d219c8609"}}