{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:2ALQ5Z2IHCTJ4CXOGDYL3NNTJ2","short_pith_number":"pith:2ALQ5Z2I","canonical_record":{"source":{"id":"2502.14382","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2025-02-20T09:18:53Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"7f6a404271d08599c85f5a69adba5d0b7b761c55d96f0c830845cacbd85986ae","abstract_canon_sha256":"f52857622fd163943381389fe908164be603e666a7d2f5a2cdf26c986bff97c0"},"schema_version":"1.0"},"canonical_sha256":"d0170ee74838a69e0aee30f0bdb5b34eb3c7cbebe8cb19e2775f66de34fe47fc","source":{"kind":"arxiv","id":"2502.14382","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.14382","created_at":"2026-07-05T10:17:25Z"},{"alias_kind":"arxiv_version","alias_value":"2502.14382v1","created_at":"2026-07-05T10:17:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.14382","created_at":"2026-07-05T10:17:25Z"},{"alias_kind":"pith_short_12","alias_value":"2ALQ5Z2IHCTJ","created_at":"2026-07-05T10:17:25Z"},{"alias_kind":"pith_short_16","alias_value":"2ALQ5Z2IHCTJ4CXO","created_at":"2026-07-05T10:17:25Z"},{"alias_kind":"pith_short_8","alias_value":"2ALQ5Z2I","created_at":"2026-07-05T10:17:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:2ALQ5Z2IHCTJ4CXOGDYL3NNTJ2","target":"record","payload":{"canonical_record":{"source":{"id":"2502.14382","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2025-02-20T09:18:53Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"7f6a404271d08599c85f5a69adba5d0b7b761c55d96f0c830845cacbd85986ae","abstract_canon_sha256":"f52857622fd163943381389fe908164be603e666a7d2f5a2cdf26c986bff97c0"},"schema_version":"1.0"},"canonical_sha256":"d0170ee74838a69e0aee30f0bdb5b34eb3c7cbebe8cb19e2775f66de34fe47fc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:17:25.534135Z","signature_b64":"CHOo+NpPjCQAe/JbREEXRaIC6yM0y4LYkkbmJlt4eQ9Thb+HhCxSDBKsHdQRb1hE0yIHtpyoM7//gLxDK2wiDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d0170ee74838a69e0aee30f0bdb5b34eb3c7cbebe8cb19e2775f66de34fe47fc","last_reissued_at":"2026-07-05T10:17:25.533613Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:17:25.533613Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.14382","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:17:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GZxR/Sny0H2Xh91ST7mWSc2NAPHGLUOjLzVgUTR38sehseddEJlErbgIDEfPF3+mkaqA6T/9Hit01p7xoXxmDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T20:53:44.864024Z"},"content_sha256":"8831193f62cf4c84e7de883b8a037018c59ca6cdaf4a3aa435d0043deec6ebbf","schema_version":"1.0","event_id":"sha256:8831193f62cf4c84e7de883b8a037018c59ca6cdaf4a3aa435d0043deec6ebbf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:2ALQ5Z2IHCTJ4CXOGDYL3NNTJ2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"S*: Test Time Scaling for Code Generation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.LG","authors_text":"Chengkun Cao, Dacheng Li, Ion Stoica, Jiarong Xing, Joseph E. Gonzalez, Kurt Keutzer, Shangyin Tan, Shiyi Cao, Xiuyu Li","submitted_at":"2025-02-20T09:18:53Z","abstract_excerpt":"Increasing test-time compute for LLMs shows promise across domains but remains underexplored in code generation, despite extensive study in math. In this paper, we propose S*, the first hybrid test-time scaling framework that substantially improves the coverage and selection accuracy of generated code. S* extends the existing parallel scaling paradigm with sequential scaling to push performance boundaries. It further leverages a novel selection mechanism that adaptively generates distinguishing inputs for pairwise comparison, combined with execution-grounded information to robustly identify co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.14382","kind":"arxiv","version":1},"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/2502.14382/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":"2026-07-05T10:17:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ffov+lbk/PwiSPnpJhUIVbDRtSlIsVLJ4aK1wxhh3QEm3UTnkR71tL9GOIaH3tBTIYG4QQppC7Ng3C/ZD18PCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T20:53:44.864551Z"},"content_sha256":"2763edbecb41958d3ff0ab0aa83dc2190dd11b097468d2eb5c3fea6aa7bccbfc","schema_version":"1.0","event_id":"sha256:2763edbecb41958d3ff0ab0aa83dc2190dd11b097468d2eb5c3fea6aa7bccbfc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2ALQ5Z2IHCTJ4CXOGDYL3NNTJ2/bundle.json","state_url":"https://pith.science/pith/2ALQ5Z2IHCTJ4CXOGDYL3NNTJ2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2ALQ5Z2IHCTJ4CXOGDYL3NNTJ2/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":"2026-08-08T20:53:44Z","links":{"resolver":"https://pith.science/pith/2ALQ5Z2IHCTJ4CXOGDYL3NNTJ2","bundle":"https://pith.science/pith/2ALQ5Z2IHCTJ4CXOGDYL3NNTJ2/bundle.json","state":"https://pith.science/pith/2ALQ5Z2IHCTJ4CXOGDYL3NNTJ2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2ALQ5Z2IHCTJ4CXOGDYL3NNTJ2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:2ALQ5Z2IHCTJ4CXOGDYL3NNTJ2","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":"f52857622fd163943381389fe908164be603e666a7d2f5a2cdf26c986bff97c0","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2025-02-20T09:18:53Z","title_canon_sha256":"7f6a404271d08599c85f5a69adba5d0b7b761c55d96f0c830845cacbd85986ae"},"schema_version":"1.0","source":{"id":"2502.14382","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.14382","created_at":"2026-07-05T10:17:25Z"},{"alias_kind":"arxiv_version","alias_value":"2502.14382v1","created_at":"2026-07-05T10:17:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.14382","created_at":"2026-07-05T10:17:25Z"},{"alias_kind":"pith_short_12","alias_value":"2ALQ5Z2IHCTJ","created_at":"2026-07-05T10:17:25Z"},{"alias_kind":"pith_short_16","alias_value":"2ALQ5Z2IHCTJ4CXO","created_at":"2026-07-05T10:17:25Z"},{"alias_kind":"pith_short_8","alias_value":"2ALQ5Z2I","created_at":"2026-07-05T10:17:25Z"}],"graph_snapshots":[{"event_id":"sha256:2763edbecb41958d3ff0ab0aa83dc2190dd11b097468d2eb5c3fea6aa7bccbfc","target":"graph","created_at":"2026-07-05T10:17:25Z","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/2502.14382/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Increasing test-time compute for LLMs shows promise across domains but remains underexplored in code generation, despite extensive study in math. In this paper, we propose S*, the first hybrid test-time scaling framework that substantially improves the coverage and selection accuracy of generated code. S* extends the existing parallel scaling paradigm with sequential scaling to push performance boundaries. It further leverages a novel selection mechanism that adaptively generates distinguishing inputs for pairwise comparison, combined with execution-grounded information to robustly identify co","authors_text":"Chengkun Cao, Dacheng Li, Ion Stoica, Jiarong Xing, Joseph E. Gonzalez, Kurt Keutzer, Shangyin Tan, Shiyi Cao, Xiuyu Li","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2025-02-20T09:18:53Z","title":"S*: Test Time Scaling for Code Generation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.14382","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":"sha256:8831193f62cf4c84e7de883b8a037018c59ca6cdaf4a3aa435d0043deec6ebbf","target":"record","created_at":"2026-07-05T10:17:25Z","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":"f52857622fd163943381389fe908164be603e666a7d2f5a2cdf26c986bff97c0","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2025-02-20T09:18:53Z","title_canon_sha256":"7f6a404271d08599c85f5a69adba5d0b7b761c55d96f0c830845cacbd85986ae"},"schema_version":"1.0","source":{"id":"2502.14382","kind":"arxiv","version":1}},"canonical_sha256":"d0170ee74838a69e0aee30f0bdb5b34eb3c7cbebe8cb19e2775f66de34fe47fc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d0170ee74838a69e0aee30f0bdb5b34eb3c7cbebe8cb19e2775f66de34fe47fc","first_computed_at":"2026-07-05T10:17:25.533613Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:17:25.533613Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CHOo+NpPjCQAe/JbREEXRaIC6yM0y4LYkkbmJlt4eQ9Thb+HhCxSDBKsHdQRb1hE0yIHtpyoM7//gLxDK2wiDw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:17:25.534135Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.14382","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8831193f62cf4c84e7de883b8a037018c59ca6cdaf4a3aa435d0043deec6ebbf","sha256:2763edbecb41958d3ff0ab0aa83dc2190dd11b097468d2eb5c3fea6aa7bccbfc"],"state_sha256":"2ac64dc4ee6111e8887f3ffcad36d98e229ccb24354d8035ce9b738e148611a7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7QjggEkZsZhe+U296CIa/qgk2L/rHfE9ox2N3tgIsGM2GVpxuELHs6pfxjJeAQaBRQ52vLfW/pqeB/66lYaqBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T20:53:44.869668Z","bundle_sha256":"9b12a2ef748c981eafc273e5a810231403fdb254901b884d12ab2120cb7631f5"}}