{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:TCFF6TQYI726WBVIVAPNZG3MZZ","short_pith_number":"pith:TCFF6TQY","canonical_record":{"source":{"id":"2404.08949","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2024-04-13T10:01:58Z","cross_cats_sorted":[],"title_canon_sha256":"db292b7425e3ca100c7ba03220e0a2b74146f7f9e893a37d45b3ad739c57f0f5","abstract_canon_sha256":"8cb23d3a7beef017a7b552d40627aed1faa633d3d3633ef3cdeb195234c30331"},"schema_version":"1.0"},"canonical_sha256":"988a5f4e1847f5eb06a8a81edc9b6cce74b45a1b9b9863be90f74b13ee887891","source":{"kind":"arxiv","id":"2404.08949","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.08949","created_at":"2026-07-05T08:07:42Z"},{"alias_kind":"arxiv_version","alias_value":"2404.08949v1","created_at":"2026-07-05T08:07:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.08949","created_at":"2026-07-05T08:07:42Z"},{"alias_kind":"pith_short_12","alias_value":"TCFF6TQYI726","created_at":"2026-07-05T08:07:42Z"},{"alias_kind":"pith_short_16","alias_value":"TCFF6TQYI726WBVI","created_at":"2026-07-05T08:07:42Z"},{"alias_kind":"pith_short_8","alias_value":"TCFF6TQY","created_at":"2026-07-05T08:07:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:TCFF6TQYI726WBVIVAPNZG3MZZ","target":"record","payload":{"canonical_record":{"source":{"id":"2404.08949","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2024-04-13T10:01:58Z","cross_cats_sorted":[],"title_canon_sha256":"db292b7425e3ca100c7ba03220e0a2b74146f7f9e893a37d45b3ad739c57f0f5","abstract_canon_sha256":"8cb23d3a7beef017a7b552d40627aed1faa633d3d3633ef3cdeb195234c30331"},"schema_version":"1.0"},"canonical_sha256":"988a5f4e1847f5eb06a8a81edc9b6cce74b45a1b9b9863be90f74b13ee887891","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:07:42.626983Z","signature_b64":"y7lMApHgel6E2sM2ZcvvCSJmxLnJp1KvmQKteXd1odNSGWnZKRAPiHvfNYsdJ1pim/pyQDralX1fu39GJTRFAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"988a5f4e1847f5eb06a8a81edc9b6cce74b45a1b9b9863be90f74b13ee887891","last_reissued_at":"2026-07-05T08:07:42.626620Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:07:42.626620Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.08949","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":"2026-07-05T08:07:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V+1wPDu1YkhGMP1zxxbyDjJvtkagN3iHvcsEym2XXkYCxc+Lk0VsdkXpV5bxRo0dzDgrT4LSoijBztHTN+PmCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T04:41:05.775669Z"},"content_sha256":"61301c4158536c47bc4b6b054f95dcd40b8c4422a8b6bd03440e7f697f0795a5","schema_version":"1.0","event_id":"sha256:61301c4158536c47bc4b6b054f95dcd40b8c4422a8b6bd03440e7f697f0795a5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:TCFF6TQYI726WBVIVAPNZG3MZZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multimodal Cross-Document Event Coreference Resolution Using Linear Semantic Transfer and Mixed-Modality Ensembles","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Abhijnan Nath, George Baker, Huma Jamil, James H. Martin, Nathaniel Blanchard, Nikhil Krishnaswamy, Rahul Ghosh, Shafiuddin Rehan Ahmed","submitted_at":"2024-04-13T10:01:58Z","abstract_excerpt":"Event coreference resolution (ECR) is the task of determining whether distinct mentions of events within a multi-document corpus are actually linked to the same underlying occurrence. Images of the events can help facilitate resolution when language is ambiguous. Here, we propose a multimodal cross-document event coreference resolution method that integrates visual and textual cues with a simple linear map between vision and language models. As existing ECR benchmark datasets rarely provide images for all event mentions, we augment the popular ECB+ dataset with event-centric images scraped fro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.08949","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/2404.08949/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":"2026-07-05T08:07:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WB74Fi+uvoR6eZUg9kbAuQfJbZsayRPWrzlmaj900ri/zNmXjLH3yk9ydX8KU22QNb2dDdLjwGSbj8PXdPSoBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T04:41:05.776059Z"},"content_sha256":"2941a35410b334d82e8b9b4522028a0a32ef59b5199a098ae13c050789a91b27","schema_version":"1.0","event_id":"sha256:2941a35410b334d82e8b9b4522028a0a32ef59b5199a098ae13c050789a91b27"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TCFF6TQYI726WBVIVAPNZG3MZZ/bundle.json","state_url":"https://pith.science/pith/TCFF6TQYI726WBVIVAPNZG3MZZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TCFF6TQYI726WBVIVAPNZG3MZZ/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":"2026-07-07T04:41:05Z","links":{"resolver":"https://pith.science/pith/TCFF6TQYI726WBVIVAPNZG3MZZ","bundle":"https://pith.science/pith/TCFF6TQYI726WBVIVAPNZG3MZZ/bundle.json","state":"https://pith.science/pith/TCFF6TQYI726WBVIVAPNZG3MZZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TCFF6TQYI726WBVIVAPNZG3MZZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:TCFF6TQYI726WBVIVAPNZG3MZZ","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":"8cb23d3a7beef017a7b552d40627aed1faa633d3d3633ef3cdeb195234c30331","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2024-04-13T10:01:58Z","title_canon_sha256":"db292b7425e3ca100c7ba03220e0a2b74146f7f9e893a37d45b3ad739c57f0f5"},"schema_version":"1.0","source":{"id":"2404.08949","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.08949","created_at":"2026-07-05T08:07:42Z"},{"alias_kind":"arxiv_version","alias_value":"2404.08949v1","created_at":"2026-07-05T08:07:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.08949","created_at":"2026-07-05T08:07:42Z"},{"alias_kind":"pith_short_12","alias_value":"TCFF6TQYI726","created_at":"2026-07-05T08:07:42Z"},{"alias_kind":"pith_short_16","alias_value":"TCFF6TQYI726WBVI","created_at":"2026-07-05T08:07:42Z"},{"alias_kind":"pith_short_8","alias_value":"TCFF6TQY","created_at":"2026-07-05T08:07:42Z"}],"graph_snapshots":[{"event_id":"sha256:2941a35410b334d82e8b9b4522028a0a32ef59b5199a098ae13c050789a91b27","target":"graph","created_at":"2026-07-05T08:07:42Z","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/2404.08949/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Event coreference resolution (ECR) is the task of determining whether distinct mentions of events within a multi-document corpus are actually linked to the same underlying occurrence. Images of the events can help facilitate resolution when language is ambiguous. Here, we propose a multimodal cross-document event coreference resolution method that integrates visual and textual cues with a simple linear map between vision and language models. As existing ECR benchmark datasets rarely provide images for all event mentions, we augment the popular ECB+ dataset with event-centric images scraped fro","authors_text":"Abhijnan Nath, George Baker, Huma Jamil, James H. Martin, Nathaniel Blanchard, Nikhil Krishnaswamy, Rahul Ghosh, Shafiuddin Rehan Ahmed","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2024-04-13T10:01:58Z","title":"Multimodal Cross-Document Event Coreference Resolution Using Linear Semantic Transfer and Mixed-Modality Ensembles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.08949","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":"sha256:61301c4158536c47bc4b6b054f95dcd40b8c4422a8b6bd03440e7f697f0795a5","target":"record","created_at":"2026-07-05T08:07:42Z","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":"8cb23d3a7beef017a7b552d40627aed1faa633d3d3633ef3cdeb195234c30331","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2024-04-13T10:01:58Z","title_canon_sha256":"db292b7425e3ca100c7ba03220e0a2b74146f7f9e893a37d45b3ad739c57f0f5"},"schema_version":"1.0","source":{"id":"2404.08949","kind":"arxiv","version":1}},"canonical_sha256":"988a5f4e1847f5eb06a8a81edc9b6cce74b45a1b9b9863be90f74b13ee887891","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"988a5f4e1847f5eb06a8a81edc9b6cce74b45a1b9b9863be90f74b13ee887891","first_computed_at":"2026-07-05T08:07:42.626620Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:07:42.626620Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"y7lMApHgel6E2sM2ZcvvCSJmxLnJp1KvmQKteXd1odNSGWnZKRAPiHvfNYsdJ1pim/pyQDralX1fu39GJTRFAw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:07:42.626983Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.08949","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:61301c4158536c47bc4b6b054f95dcd40b8c4422a8b6bd03440e7f697f0795a5","sha256:2941a35410b334d82e8b9b4522028a0a32ef59b5199a098ae13c050789a91b27"],"state_sha256":"a31f7ce29519c37cda4077ffd162c0aef21a19d102b377d62e455365b4bcdcf4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SztblM6T9p1osczrYKoW8Gk0S5RcprxOrPl03j+j9WLCvWs/ALIeJIiT75pVbsYNGMbDTXosaLApXCSTMr8JAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T04:41:05.778635Z","bundle_sha256":"771c003bd2c3bc3f4ca20e590b9adb3e37fbae60f693d9588971bb81054a606e"}}