{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:T3TQIGS7VWKBUR4WTPKCISFNCZ","short_pith_number":"pith:T3TQIGS7","canonical_record":{"source":{"id":"2306.03469","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2023-06-06T07:42:39Z","cross_cats_sorted":[],"title_canon_sha256":"96841bb7da35588576e635cbbe56fb47112916b3a0bec641aa71c4b94cb37739","abstract_canon_sha256":"f7f7177dec2dd65492de92b71b9ede1e6fcc4313506d47ce8f93a374109ffacf"},"schema_version":"1.0"},"canonical_sha256":"9ee7041a5fad941a47969bd42448ad1655cc9642b6b1845dac008d789d3af791","source":{"kind":"arxiv","id":"2306.03469","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.03469","created_at":"2026-07-05T06:17:58Z"},{"alias_kind":"arxiv_version","alias_value":"2306.03469v1","created_at":"2026-07-05T06:17:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.03469","created_at":"2026-07-05T06:17:58Z"},{"alias_kind":"pith_short_12","alias_value":"T3TQIGS7VWKB","created_at":"2026-07-05T06:17:58Z"},{"alias_kind":"pith_short_16","alias_value":"T3TQIGS7VWKBUR4W","created_at":"2026-07-05T06:17:58Z"},{"alias_kind":"pith_short_8","alias_value":"T3TQIGS7","created_at":"2026-07-05T06:17:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:T3TQIGS7VWKBUR4WTPKCISFNCZ","target":"record","payload":{"canonical_record":{"source":{"id":"2306.03469","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2023-06-06T07:42:39Z","cross_cats_sorted":[],"title_canon_sha256":"96841bb7da35588576e635cbbe56fb47112916b3a0bec641aa71c4b94cb37739","abstract_canon_sha256":"f7f7177dec2dd65492de92b71b9ede1e6fcc4313506d47ce8f93a374109ffacf"},"schema_version":"1.0"},"canonical_sha256":"9ee7041a5fad941a47969bd42448ad1655cc9642b6b1845dac008d789d3af791","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:17:58.481722Z","signature_b64":"vx2YmObVDHTNu3pZJjJ9WuiMy0NbYNdncJOiQMxSw9m/WiDQZrSNWsSylIwuFa5/XAdrAEkCGyuzFuYYWYQJDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9ee7041a5fad941a47969bd42448ad1655cc9642b6b1845dac008d789d3af791","last_reissued_at":"2026-07-05T06:17:58.481333Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:17:58.481333Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2306.03469","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":"2026-07-05T06:17:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x2piYiXIsgEFuSewRpkp5uwP6qbgq8QKtIgq4eshsEFSshtDH46HIcWr6LbYk6+MBDvbRdc5bkK9OUJCtuZPAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T20:52:01.886715Z"},"content_sha256":"85e1f1664e62b7bfb2896eac4b8a92db0778b6ccdcb1ef89a4822c8f32a76880","schema_version":"1.0","event_id":"sha256:85e1f1664e62b7bfb2896eac4b8a92db0778b6ccdcb1ef89a4822c8f32a76880"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:T3TQIGS7VWKBUR4WTPKCISFNCZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Joint Event Extraction via Structural Semantic Matching","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Haochen Li, Jingkun Wang, Tianhao Gao, Weiping Li","submitted_at":"2023-06-06T07:42:39Z","abstract_excerpt":"Event Extraction (EE) is one of the essential tasks in information extraction, which aims to detect event mentions from text and find the corresponding argument roles. The EE task can be abstracted as a process of matching the semantic definitions and argument structures of event types with the target text. This paper encodes the semantic features of event types and makes structural matching with target text. Specifically, Semantic Type Embedding (STE) and Dynamic Structure Encoder (DSE) modules are proposed. Also, the Joint Structural Semantic Matching (JSSM) model is built to jointly perform"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.03469","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/2306.03469/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":"2026-07-05T06:17:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Sg7ygbMcd8s9qTtSO3YTD6WRmQbTY37AvFKF+gHKG/mpwJ8UAb0cn2hqG1hk9W053dbMBBD8nO59hbieZAAMAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T20:52:01.887092Z"},"content_sha256":"e2606fcd56d03d32f78ae00fbbe88a3a431ca4ec6c4676c0e50cba40f1cec5bf","schema_version":"1.0","event_id":"sha256:e2606fcd56d03d32f78ae00fbbe88a3a431ca4ec6c4676c0e50cba40f1cec5bf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T3TQIGS7VWKBUR4WTPKCISFNCZ/bundle.json","state_url":"https://pith.science/pith/T3TQIGS7VWKBUR4WTPKCISFNCZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T3TQIGS7VWKBUR4WTPKCISFNCZ/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":"2026-07-10T20:52:01Z","links":{"resolver":"https://pith.science/pith/T3TQIGS7VWKBUR4WTPKCISFNCZ","bundle":"https://pith.science/pith/T3TQIGS7VWKBUR4WTPKCISFNCZ/bundle.json","state":"https://pith.science/pith/T3TQIGS7VWKBUR4WTPKCISFNCZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T3TQIGS7VWKBUR4WTPKCISFNCZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:T3TQIGS7VWKBUR4WTPKCISFNCZ","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":"f7f7177dec2dd65492de92b71b9ede1e6fcc4313506d47ce8f93a374109ffacf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2023-06-06T07:42:39Z","title_canon_sha256":"96841bb7da35588576e635cbbe56fb47112916b3a0bec641aa71c4b94cb37739"},"schema_version":"1.0","source":{"id":"2306.03469","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.03469","created_at":"2026-07-05T06:17:58Z"},{"alias_kind":"arxiv_version","alias_value":"2306.03469v1","created_at":"2026-07-05T06:17:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.03469","created_at":"2026-07-05T06:17:58Z"},{"alias_kind":"pith_short_12","alias_value":"T3TQIGS7VWKB","created_at":"2026-07-05T06:17:58Z"},{"alias_kind":"pith_short_16","alias_value":"T3TQIGS7VWKBUR4W","created_at":"2026-07-05T06:17:58Z"},{"alias_kind":"pith_short_8","alias_value":"T3TQIGS7","created_at":"2026-07-05T06:17:58Z"}],"graph_snapshots":[{"event_id":"sha256:e2606fcd56d03d32f78ae00fbbe88a3a431ca4ec6c4676c0e50cba40f1cec5bf","target":"graph","created_at":"2026-07-05T06:17:58Z","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/2306.03469/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Event Extraction (EE) is one of the essential tasks in information extraction, which aims to detect event mentions from text and find the corresponding argument roles. The EE task can be abstracted as a process of matching the semantic definitions and argument structures of event types with the target text. This paper encodes the semantic features of event types and makes structural matching with target text. Specifically, Semantic Type Embedding (STE) and Dynamic Structure Encoder (DSE) modules are proposed. Also, the Joint Structural Semantic Matching (JSSM) model is built to jointly perform","authors_text":"Haochen Li, Jingkun Wang, Tianhao Gao, Weiping Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2023-06-06T07:42:39Z","title":"Joint Event Extraction via Structural Semantic Matching"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.03469","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":"sha256:85e1f1664e62b7bfb2896eac4b8a92db0778b6ccdcb1ef89a4822c8f32a76880","target":"record","created_at":"2026-07-05T06:17:58Z","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":"f7f7177dec2dd65492de92b71b9ede1e6fcc4313506d47ce8f93a374109ffacf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2023-06-06T07:42:39Z","title_canon_sha256":"96841bb7da35588576e635cbbe56fb47112916b3a0bec641aa71c4b94cb37739"},"schema_version":"1.0","source":{"id":"2306.03469","kind":"arxiv","version":1}},"canonical_sha256":"9ee7041a5fad941a47969bd42448ad1655cc9642b6b1845dac008d789d3af791","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9ee7041a5fad941a47969bd42448ad1655cc9642b6b1845dac008d789d3af791","first_computed_at":"2026-07-05T06:17:58.481333Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:17:58.481333Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vx2YmObVDHTNu3pZJjJ9WuiMy0NbYNdncJOiQMxSw9m/WiDQZrSNWsSylIwuFa5/XAdrAEkCGyuzFuYYWYQJDw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:17:58.481722Z","signed_message":"canonical_sha256_bytes"},"source_id":"2306.03469","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:85e1f1664e62b7bfb2896eac4b8a92db0778b6ccdcb1ef89a4822c8f32a76880","sha256:e2606fcd56d03d32f78ae00fbbe88a3a431ca4ec6c4676c0e50cba40f1cec5bf"],"state_sha256":"c33da92ec804bc1f5b2be6fc9ae5c28c03a5fb53acaf611378b0b0801aea6acb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OhzekxEJIdIKogAYjrBUSLSI51XS+UQ4GISXwgJCiW3GF0D/k01kuvTTkv5L5rNqCbgct+pvHsGxYLeEzcfvBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-10T20:52:01.889297Z","bundle_sha256":"bdf1c2879b5b431aed85661dccec27232dbd18341a87f479cd5a9086a82c0baf"}}