{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:YWS35UJNFQ4J2HMB7R5MT5WURW","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":"f57634c607d6e9003661a698c78883088a9986da8039b8496ab1c18dc027a194","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-08-02T11:09:06Z","title_canon_sha256":"d4ee738da231ca5f6301ad16b199c87d10db404f939d7c5efa57bfb394eee93f"},"schema_version":"1.0","source":{"id":"2508.01317","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.01317","created_at":"2026-07-05T11:49:12Z"},{"alias_kind":"arxiv_version","alias_value":"2508.01317v2","created_at":"2026-07-05T11:49:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.01317","created_at":"2026-07-05T11:49:12Z"},{"alias_kind":"pith_short_12","alias_value":"YWS35UJNFQ4J","created_at":"2026-07-05T11:49:12Z"},{"alias_kind":"pith_short_16","alias_value":"YWS35UJNFQ4J2HMB","created_at":"2026-07-05T11:49:12Z"},{"alias_kind":"pith_short_8","alias_value":"YWS35UJN","created_at":"2026-07-05T11:49:12Z"}],"graph_snapshots":[{"event_id":"sha256:6332b2b6ff4367941cb1664f5bd8ff4ae045a8d380003b1387351c52f029356e","target":"graph","created_at":"2026-07-05T11:49:12Z","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/2508.01317/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The advancement of large language models (LLMs) struggles with the scarcity of high-quality, diverse training data. To address this limitation, we propose LinkSyn, a novel knowledge point (KP) graph-based synthesis framework that enables flexible control over discipline and difficulty distributions while balancing KP coverage and popularity. LinkSyn extracts KPs from question-answering (QA) seed data and constructs a KP graph to synthesize diverse QA data from multiple seeds strongly linked by KPs and sampled from graph walks. Specifically, LinkSyn incorporates (1) a knowledge distribution val","authors_text":"Can Ren, Chengying Tu, Hongfei Yan, Jingang Wang, Rongxiang Weng, Xuemiao Zhang, Xunliang Cai","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-08-02T11:09:06Z","title":"LinkQA: Synthesizing Diverse QA from Multiple Seeds Strongly Linked by Knowledge Points"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.01317","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:bd7275d12499eb93fa54b6116b62198ddb673267e8c424f898768933d20be395","target":"record","created_at":"2026-07-05T11:49:12Z","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":"f57634c607d6e9003661a698c78883088a9986da8039b8496ab1c18dc027a194","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-08-02T11:09:06Z","title_canon_sha256":"d4ee738da231ca5f6301ad16b199c87d10db404f939d7c5efa57bfb394eee93f"},"schema_version":"1.0","source":{"id":"2508.01317","kind":"arxiv","version":2}},"canonical_sha256":"c5a5bed12d2c389d1d81fc7ac9f6d48d9b34cd959d66ec04f27ed28d445af9e1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c5a5bed12d2c389d1d81fc7ac9f6d48d9b34cd959d66ec04f27ed28d445af9e1","first_computed_at":"2026-07-05T11:49:12.413834Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:49:12.413834Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G8dIoNez7bbOdUe7+EbRkNYF7n1Oo9tqZhiqHcAVUkRWWRnbxMktYUydgPiY1WzrUUeTk4WnBiY1Ea1YqFroCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:49:12.414335Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.01317","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bd7275d12499eb93fa54b6116b62198ddb673267e8c424f898768933d20be395","sha256:6332b2b6ff4367941cb1664f5bd8ff4ae045a8d380003b1387351c52f029356e"],"state_sha256":"f57d6ff7b1e3e065dd4ed6d872cc402e3219258f65560e6080d34769384243af"}