{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:R5HAUX3DZLI4EFX7BZYDXOIWNV","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":"af4892564b66ca6d5a2071ac9ec57658a6adc7d94c0d7aa945a7b7d25046205c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.AI","submitted_at":"2025-06-12T08:33:38Z","title_canon_sha256":"733a2d6e53fa01fb6a462b8fba94451c98cf4725ad647f748c46d59c46755658"},"schema_version":"1.0","source":{"id":"2506.10481","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.10481","created_at":"2026-07-05T11:20:24Z"},{"alias_kind":"arxiv_version","alias_value":"2506.10481v1","created_at":"2026-07-05T11:20:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.10481","created_at":"2026-07-05T11:20:24Z"},{"alias_kind":"pith_short_12","alias_value":"R5HAUX3DZLI4","created_at":"2026-07-05T11:20:24Z"},{"alias_kind":"pith_short_16","alias_value":"R5HAUX3DZLI4EFX7","created_at":"2026-07-05T11:20:24Z"},{"alias_kind":"pith_short_8","alias_value":"R5HAUX3D","created_at":"2026-07-05T11:20:24Z"}],"graph_snapshots":[{"event_id":"sha256:a85df135c593986aec54abac20b24d2d600585fa8c1a8c2e02e47621bf0a10c0","target":"graph","created_at":"2026-07-05T11:20:24Z","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/2506.10481/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"As models become increasingly sophisticated, conventional algorithm benchmarks are increasingly saturated, underscoring the need for more challenging benchmarks to guide future improvements in algorithmic reasoning. This paper introduces OIBench, a high-quality, private, and challenging olympiad-level informatics dataset comprising 250 carefully curated original problems. We detail the construction methodology of the benchmark, ensuring a comprehensive assessment across various programming paradigms and complexities, and we demonstrate its contamination-resistant properties via experiments. We","authors_text":"Junxin Wang, Jun Xu, Lin Qiu, Mingshi Wang, Rong Ma, Xuezhi Cao, Xunliang Cai, Yaoming Zhu, Yiyang Li, Yuhuai Wei, Zongyu Wang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.AI","submitted_at":"2025-06-12T08:33:38Z","title":"OIBench: Benchmarking Strong Reasoning Models with Olympiad in Informatics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.10481","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:f39310146c1affdd707c2d73e3d1fe044ad4790958307bd820ed425b950e04f2","target":"record","created_at":"2026-07-05T11:20:24Z","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":"af4892564b66ca6d5a2071ac9ec57658a6adc7d94c0d7aa945a7b7d25046205c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.AI","submitted_at":"2025-06-12T08:33:38Z","title_canon_sha256":"733a2d6e53fa01fb6a462b8fba94451c98cf4725ad647f748c46d59c46755658"},"schema_version":"1.0","source":{"id":"2506.10481","kind":"arxiv","version":1}},"canonical_sha256":"8f4e0a5f63cad1c216ff0e703bb9166d658efccb624aeca6e224a84b14191ed4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8f4e0a5f63cad1c216ff0e703bb9166d658efccb624aeca6e224a84b14191ed4","first_computed_at":"2026-07-05T11:20:24.662139Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:20:24.662139Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u+hqqGhYuOqsS59fibtp3GPKkhy9GVlC8R6vto39N0hLf8dSOW5QJASBLfwU9MJ4NCwXcJp0uHjar1E6Ny+oDw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:20:24.662776Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.10481","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f39310146c1affdd707c2d73e3d1fe044ad4790958307bd820ed425b950e04f2","sha256:a85df135c593986aec54abac20b24d2d600585fa8c1a8c2e02e47621bf0a10c0"],"state_sha256":"b45a1a67a1e62f1f6b22d9dc96931d5f2291757b81de4da4147ad21f7bbd8ab4"}