{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:TFT5IRUPBX2RIU5GZT5HBCFKPG","short_pith_number":"pith:TFT5IRUP","canonical_record":{"source":{"id":"2502.13422","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-02-19T04:45:05Z","cross_cats_sorted":["cs.AI","cs.DB"],"title_canon_sha256":"e85fdadc8cd94f6331d776ebe93717db25e4860d021ce5b26851dbe3fea2d6cb","abstract_canon_sha256":"eab67189fca9f5992d5605608aaf8b974334981b8908afd6148a12654df7c4a2"},"schema_version":"1.0"},"canonical_sha256":"9967d4468f0df51453a6ccfa7088aa799edd3dc2b483258e2451178019f8b0f6","source":{"kind":"arxiv","id":"2502.13422","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.13422","created_at":"2026-07-05T11:48:00Z"},{"alias_kind":"arxiv_version","alias_value":"2502.13422v2","created_at":"2026-07-05T11:48:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.13422","created_at":"2026-07-05T11:48:00Z"},{"alias_kind":"pith_short_12","alias_value":"TFT5IRUPBX2R","created_at":"2026-07-05T11:48:00Z"},{"alias_kind":"pith_short_16","alias_value":"TFT5IRUPBX2RIU5G","created_at":"2026-07-05T11:48:00Z"},{"alias_kind":"pith_short_8","alias_value":"TFT5IRUP","created_at":"2026-07-05T11:48:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:TFT5IRUPBX2RIU5GZT5HBCFKPG","target":"record","payload":{"canonical_record":{"source":{"id":"2502.13422","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-02-19T04:45:05Z","cross_cats_sorted":["cs.AI","cs.DB"],"title_canon_sha256":"e85fdadc8cd94f6331d776ebe93717db25e4860d021ce5b26851dbe3fea2d6cb","abstract_canon_sha256":"eab67189fca9f5992d5605608aaf8b974334981b8908afd6148a12654df7c4a2"},"schema_version":"1.0"},"canonical_sha256":"9967d4468f0df51453a6ccfa7088aa799edd3dc2b483258e2451178019f8b0f6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:48:00.950264Z","signature_b64":"AKWu7765/m+8rfmRg2L/gVO1b6kdi5+n6OQNxWeFzHHTMG4xL7bJHaDe6s4frLKaRUoizR8xeEa66qw9i12CBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9967d4468f0df51453a6ccfa7088aa799edd3dc2b483258e2451178019f8b0f6","last_reissued_at":"2026-07-05T11:48:00.949455Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:48:00.949455Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.13422","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:48:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"APRrazklsmwhWKMxAkEUAgco+TOH/Wd6537SkNJPKdZlbAK19mdsT/3eLouTQ7Ms02vRLtXeaDTQfmmp9pXdAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T22:53:01.218399Z"},"content_sha256":"922502e82e4d878364e8f1c0f57d698301629df58af5ba3e8bc15274b04d7980","schema_version":"1.0","event_id":"sha256:922502e82e4d878364e8f1c0f57d698301629df58af5ba3e8bc15274b04d7980"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:TFT5IRUPBX2RIU5GZT5HBCFKPG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Towards Question Answering over Large Semi-structured Tables","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI","cs.DB"],"primary_cat":"cs.CL","authors_text":"Jianzhong Qi, Junhao Gan, Yuxiang Wang","submitted_at":"2025-02-19T04:45:05Z","abstract_excerpt":"Table Question Answering (TableQA) attracts strong interests due to the prevalence of web information presented in the form of semi-structured tables. Despite many efforts, TableQA over large tables remains an open challenge. This is because large tables may overwhelm models that try to comprehend them in full to locate question answers. Recent studies reduce input table size by decomposing tables into smaller, question-relevant sub-tables via generating programs to parse the tables. However, such solutions are subject to program generation and execution errors and are difficult to ensure deco"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.13422","kind":"arxiv","version":2},"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/2502.13422/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":"2026-07-05T11:48:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C1FYMorh3MuSQc4wWEvBLxXK2jbFV+TMVkpRgzHNQVdeN5lbxdsPdlFp8EherGq0fz6l4/zX1FiCIYratBtaBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T22:53:01.219030Z"},"content_sha256":"28df0961a3f80d425416cac7a0e3e93c3ac409618a60b80379f66bbd4a023c3b","schema_version":"1.0","event_id":"sha256:28df0961a3f80d425416cac7a0e3e93c3ac409618a60b80379f66bbd4a023c3b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TFT5IRUPBX2RIU5GZT5HBCFKPG/bundle.json","state_url":"https://pith.science/pith/TFT5IRUPBX2RIU5GZT5HBCFKPG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TFT5IRUPBX2RIU5GZT5HBCFKPG/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":"2026-08-06T22:53:01Z","links":{"resolver":"https://pith.science/pith/TFT5IRUPBX2RIU5GZT5HBCFKPG","bundle":"https://pith.science/pith/TFT5IRUPBX2RIU5GZT5HBCFKPG/bundle.json","state":"https://pith.science/pith/TFT5IRUPBX2RIU5GZT5HBCFKPG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TFT5IRUPBX2RIU5GZT5HBCFKPG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:TFT5IRUPBX2RIU5GZT5HBCFKPG","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":"eab67189fca9f5992d5605608aaf8b974334981b8908afd6148a12654df7c4a2","cross_cats_sorted":["cs.AI","cs.DB"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-02-19T04:45:05Z","title_canon_sha256":"e85fdadc8cd94f6331d776ebe93717db25e4860d021ce5b26851dbe3fea2d6cb"},"schema_version":"1.0","source":{"id":"2502.13422","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.13422","created_at":"2026-07-05T11:48:00Z"},{"alias_kind":"arxiv_version","alias_value":"2502.13422v2","created_at":"2026-07-05T11:48:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.13422","created_at":"2026-07-05T11:48:00Z"},{"alias_kind":"pith_short_12","alias_value":"TFT5IRUPBX2R","created_at":"2026-07-05T11:48:00Z"},{"alias_kind":"pith_short_16","alias_value":"TFT5IRUPBX2RIU5G","created_at":"2026-07-05T11:48:00Z"},{"alias_kind":"pith_short_8","alias_value":"TFT5IRUP","created_at":"2026-07-05T11:48:00Z"}],"graph_snapshots":[{"event_id":"sha256:28df0961a3f80d425416cac7a0e3e93c3ac409618a60b80379f66bbd4a023c3b","target":"graph","created_at":"2026-07-05T11:48:00Z","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/2502.13422/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Table Question Answering (TableQA) attracts strong interests due to the prevalence of web information presented in the form of semi-structured tables. Despite many efforts, TableQA over large tables remains an open challenge. This is because large tables may overwhelm models that try to comprehend them in full to locate question answers. Recent studies reduce input table size by decomposing tables into smaller, question-relevant sub-tables via generating programs to parse the tables. However, such solutions are subject to program generation and execution errors and are difficult to ensure deco","authors_text":"Jianzhong Qi, Junhao Gan, Yuxiang Wang","cross_cats":["cs.AI","cs.DB"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-02-19T04:45:05Z","title":"Towards Question Answering over Large Semi-structured Tables"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.13422","kind":"arxiv","version":2},"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":"sha256:922502e82e4d878364e8f1c0f57d698301629df58af5ba3e8bc15274b04d7980","target":"record","created_at":"2026-07-05T11:48:00Z","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":"eab67189fca9f5992d5605608aaf8b974334981b8908afd6148a12654df7c4a2","cross_cats_sorted":["cs.AI","cs.DB"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-02-19T04:45:05Z","title_canon_sha256":"e85fdadc8cd94f6331d776ebe93717db25e4860d021ce5b26851dbe3fea2d6cb"},"schema_version":"1.0","source":{"id":"2502.13422","kind":"arxiv","version":2}},"canonical_sha256":"9967d4468f0df51453a6ccfa7088aa799edd3dc2b483258e2451178019f8b0f6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9967d4468f0df51453a6ccfa7088aa799edd3dc2b483258e2451178019f8b0f6","first_computed_at":"2026-07-05T11:48:00.949455Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:48:00.949455Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AKWu7765/m+8rfmRg2L/gVO1b6kdi5+n6OQNxWeFzHHTMG4xL7bJHaDe6s4frLKaRUoizR8xeEa66qw9i12CBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:48:00.950264Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.13422","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:922502e82e4d878364e8f1c0f57d698301629df58af5ba3e8bc15274b04d7980","sha256:28df0961a3f80d425416cac7a0e3e93c3ac409618a60b80379f66bbd4a023c3b"],"state_sha256":"171bafe1f9a6e9f68a2f0ce129c10cbf97bbf26909774844375380da04aa9feb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3zKOdL7dIgIoqS4TdQ91H1iPisw874DYlF+7pjAQhQ8GWQbX9mscleBJeDQPrHbV0yO1zvglOPheN4wcPWymCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T22:53:01.224240Z","bundle_sha256":"a4ba1556ae07c0412988bc06fc5caa966f5076a03d5b45910ef5ce8e830239df"}}