{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:WVVQ6C6M3CU4XNETXPC2OL6BCI","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":"6b7f2598eb994cba0628ad3a009bc5eb8d0e0b23b0f22c4f756e4567b0a74bad","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-02-26T15:12:23Z","title_canon_sha256":"aabaa3298da8a5297e044e463bc289f25be2c1428ab59dc6ee7b1829be329b1a"},"schema_version":"1.0","source":{"id":"2602.23092","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.23092","created_at":"2026-06-19T16:11:21Z"},{"alias_kind":"arxiv_version","alias_value":"2602.23092v2","created_at":"2026-06-19T16:11:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.23092","created_at":"2026-06-19T16:11:21Z"},{"alias_kind":"pith_short_12","alias_value":"WVVQ6C6M3CU4","created_at":"2026-06-19T16:11:21Z"},{"alias_kind":"pith_short_16","alias_value":"WVVQ6C6M3CU4XNET","created_at":"2026-06-19T16:11:21Z"},{"alias_kind":"pith_short_8","alias_value":"WVVQ6C6M","created_at":"2026-06-19T16:11:21Z"}],"graph_snapshots":[{"event_id":"sha256:290a1db11bfc224dc2e7653ed191c9236992ccfcf77735708991bc9e59c90712","target":"graph","created_at":"2026-06-19T16:11:21Z","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/2602.23092/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Capacitated Vehicle Routing Problem (CVRP), a fundamental combinatorial optimization challenge, focuses on optimizing fleet operations under vehicle capacity constraints. While extensively studied in operational research, the NP-hard nature of CVRP continues to pose significant computational challenges, particularly for large-scale instances. This study presents AILS-AHD (Adaptive Iterated Local Search with Automatic Heuristic Design), a novel approach that leverages Large Language Models (LLMs) to revolutionize CVRP solving. Our methodology integrates an evolutionary search framework with","authors_text":"Fei Liu, Qingfu Zhang, Zhenkun Wang, Zhuoliang Xie","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-02-26T15:12:23Z","title":"Enhancing CVRP Solver through LLM-driven Automatic Heuristic Design"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.23092","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:b40112fce8af064c03918ddd841731ff5e199262b35cb1d6f35df5d93f3f13b9","target":"record","created_at":"2026-06-19T16:11:21Z","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":"6b7f2598eb994cba0628ad3a009bc5eb8d0e0b23b0f22c4f756e4567b0a74bad","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-02-26T15:12:23Z","title_canon_sha256":"aabaa3298da8a5297e044e463bc289f25be2c1428ab59dc6ee7b1829be329b1a"},"schema_version":"1.0","source":{"id":"2602.23092","kind":"arxiv","version":2}},"canonical_sha256":"b56b0f0bccd8a9cbb493bbc5a72fc112355bb9c05e07e852450012e39cffa04d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b56b0f0bccd8a9cbb493bbc5a72fc112355bb9c05e07e852450012e39cffa04d","first_computed_at":"2026-06-19T16:11:21.240957Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-19T16:11:21.240957Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"S4cTImbmtssoZ9ya8UXzFypvPvxmCT+mLCFvuwWM0hOEA8upcvr1WGTgo2kG4rd4i4GmEpO3KF5GKr5IBAOJAg==","signature_status":"signed_v1","signed_at":"2026-06-19T16:11:21.241403Z","signed_message":"canonical_sha256_bytes"},"source_id":"2602.23092","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b40112fce8af064c03918ddd841731ff5e199262b35cb1d6f35df5d93f3f13b9","sha256:290a1db11bfc224dc2e7653ed191c9236992ccfcf77735708991bc9e59c90712"],"state_sha256":"103580857005c418c84575e9cad98c565bdda403d9d575e7296a12d12032f18e"}