{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:X5WQSPPLOWY6FKAIHDGHQUTFZ4","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":"6ac26d8d937efb8e37951a95c234f1ae7c4dee23c8a8d8153cad5e38245d6d15","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NE","submitted_at":"2025-07-21T13:40:19Z","title_canon_sha256":"66a0affd17fb7750298e7f25e763a122cbef9de5f292ac45dc6f4b6a246e5cfc"},"schema_version":"1.0","source":{"id":"2507.15615","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.15615","created_at":"2026-07-05T11:40:40Z"},{"alias_kind":"arxiv_version","alias_value":"2507.15615v1","created_at":"2026-07-05T11:40:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.15615","created_at":"2026-07-05T11:40:40Z"},{"alias_kind":"pith_short_12","alias_value":"X5WQSPPLOWY6","created_at":"2026-07-05T11:40:40Z"},{"alias_kind":"pith_short_16","alias_value":"X5WQSPPLOWY6FKAI","created_at":"2026-07-05T11:40:40Z"},{"alias_kind":"pith_short_8","alias_value":"X5WQSPPL","created_at":"2026-07-05T11:40:40Z"}],"graph_snapshots":[{"event_id":"sha256:aee34fdc03e86577018c36837a50ff0198e9ef1c585d39ae2d1a4281fbb3f706","target":"graph","created_at":"2026-07-05T11:40:40Z","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/2507.15615/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Primal heuristics play a critical role in improving the efficiency of mixed integer programming (MILP) solvers. As large language models (LLMs) have demonstrated superior code generation abilities, recent MILP works are devoted to leveraging the evolutionary computation approaches with LLMs to generate effective primal heuristics. Although the generated heuristics have achieved better solving performance than the hand-crafted ones with little adaptability, the advantage of current LLM-based methods is limited to few MILP instances in one problem class, as they fail to capture the instance char","authors_text":"Bo An, Chenxi Li, Feifan Liu, Kai Li, Mengjing Chen, Peng Liu, Siyuan Li, Tao Zhong, Zhihao Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NE","submitted_at":"2025-07-21T13:40:19Z","title":"DHEvo: Data-Algorithm Based Heuristic Evolution for Generalizable MILP Solving"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.15615","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":"sha256:0ac5cee609f28ae39cb229b81cbba78ece7074677be175d70ac374d02603d317","target":"record","created_at":"2026-07-05T11:40:40Z","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":"6ac26d8d937efb8e37951a95c234f1ae7c4dee23c8a8d8153cad5e38245d6d15","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NE","submitted_at":"2025-07-21T13:40:19Z","title_canon_sha256":"66a0affd17fb7750298e7f25e763a122cbef9de5f292ac45dc6f4b6a246e5cfc"},"schema_version":"1.0","source":{"id":"2507.15615","kind":"arxiv","version":1}},"canonical_sha256":"bf6d093deb75b1e2a80838cc785265cf078c76296d2fad10ddf346d64ffb2cad","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bf6d093deb75b1e2a80838cc785265cf078c76296d2fad10ddf346d64ffb2cad","first_computed_at":"2026-07-05T11:40:40.203948Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:40:40.203948Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NzopqVcbYVMOu0N8UAp4zdxleveNIjdxTL7NrR2w/ObXNQ3p2QgkPPA2RIeRro6pwHIQ79Jxs+cPM974aSG4Ag==","signature_status":"signed_v1","signed_at":"2026-07-05T11:40:40.204432Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.15615","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0ac5cee609f28ae39cb229b81cbba78ece7074677be175d70ac374d02603d317","sha256:aee34fdc03e86577018c36837a50ff0198e9ef1c585d39ae2d1a4281fbb3f706"],"state_sha256":"f17bcd158e53755b1c7848b9e9c9037b35e4f50725dad8e3626c64947a19bbc6"}