{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:G5RGKBWBTYUYGYCOMJ6OO53RY2","merge_version":"pith-open-graph-merge-v1","event_count":39,"valid_event_count":39,"invalid_event_count":0,"equivocation_count":1,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"f8e9082f7a2bc38975f55dedf8ff5d0b46f06e505927d09f729582049f373160","cross_cats_sorted":["cs.AI","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2026-05-19T20:39:14Z","title_canon_sha256":"989c5b5638e504d63c851ed2858faf43be1e11bef5cfa86c83c7996da2fa9b8b"},"schema_version":"1.0","source":{"id":"2605.20473","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.20473","created_at":"2026-05-21T01:04:39Z"},{"alias_kind":"arxiv_version","alias_value":"2605.20473v1","created_at":"2026-05-21T01:04:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.20473","created_at":"2026-05-21T01:04:39Z"},{"alias_kind":"pith_short_12","alias_value":"G5RGKBWBTYUY","created_at":"2026-05-21T01:04:39Z"},{"alias_kind":"pith_short_16","alias_value":"G5RGKBWBTYUYGYCO","created_at":"2026-05-21T01:04:39Z"},{"alias_kind":"pith_short_8","alias_value":"G5RGKBWB","created_at":"2026-05-21T01:04:39Z"}],"graph_snapshots":[{"event_id":"sha256:eecc53e423b6ce9f7a178536eba4bf686211aa704973767ec6f575ad2abcc957","target":"graph","created_at":"2026-05-21T01:04:39Z","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/2605.20473/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Test-time scaling has emerged as a promising approach for improving code generation by exploring large solution spaces at inference time. However, existing methods often rely on public test cases that are unavailable in practice, or require extensive LLM inference for candidate selection, leading to significant token consumption and time overhead. We present DiffCodeGen, a novel test-time scaling method for code generation based on coverage-guided differential analysis. DiffCodeGen generates diverse code candidates using various sampling and prompting strategies, then applies coverage-guided f","authors_text":"Ethan Wang, Hao Chen, Jicheng Wang, Xuanxin Ouyang, Yifeng He","cross_cats":["cs.AI","cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2026-05-19T20:39:14Z","title":"Code Generation by Differential Test Time Scaling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.20473","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":"sha256:305cdb0d3800831d2acb535245ab8a96a96724c686bfcd3b824c92faa6b47931","target":"record","created_at":"2026-05-21T01:04:39Z","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":"f8e9082f7a2bc38975f55dedf8ff5d0b46f06e505927d09f729582049f373160","cross_cats_sorted":["cs.AI","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2026-05-19T20:39:14Z","title_canon_sha256":"989c5b5638e504d63c851ed2858faf43be1e11bef5cfa86c83c7996da2fa9b8b"},"schema_version":"1.0","source":{"id":"2605.20473","kind":"arxiv","version":1}},"canonical_sha256":"37626506c19e2983604e627ce77771c69ac3d493b29e4b9046ddbf94a1c3a7cf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"37626506c19e2983604e627ce77771c69ac3d493b29e4b9046ddbf94a1c3a7cf","first_computed_at":"2026-05-21T01:04:39.128011Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-21T01:04:39.128011Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uypV5n7TI95wZfxV7s6n9Rntaoe83mbs73Pejiv+mWd1UplODSrKjSxDfvOhAKDtiZV+m/kjHT/86cE+WtzgCQ==","signature_status":"signed_v1","signed_at":"2026-05-21T01:04:39.128463Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.20473","source_kind":"arxiv","source_version":1}}},"equivocations":[{"signer_id":"pith.science","event_type":"integrity_finding","target":"integrity","event_ids":["sha256:032d941b3a37a35097bfdeda3c5bdce17277a82cf830912b67ca567ec90deac5","sha256:0639e90cf5148baf93125b1b2fc73f0356ad684c9d3377963bf99f76dba6d92e","sha256:11b3359d1e496912c76726783aa5b5c7cfa1380c79fbaac0f04b0d821d705a18","sha256:16ec21bd168cc4fb4106d7f415718fb034e091919d1741ebbb1d13eaea5fc9ca","sha256:27d52faf621fc10b0ce320701b4984d21620a5e74433963e1ec70b0e73f63a93","sha256:2ec3a40679d23e3eeeff74bb1aa74ae5fa3da4d20ae78183ac1cb1af3b7449a2","sha256:2fdb897ae6a4f8672f2279743440923283bda37ac73677a5e6666a44cf38e776","sha256:3572ae5fd4ef6be3287d4c197b5a30be2464952b377f59af1af737e7be1253fd","sha256:3fc14cf915d191a0e0aa26f58eb8eeffe2ca15dceb897dd22e8db340090d61b9","sha256:4210c1b1d67abf30cb9c359e380ae03914c6d23f413e8a37dd9b5e703f80c12e","sha256:478ea423523b34a9d5473699d8f1b5ddba03881b4a7ae0e5e9c2ce76d44db3d4","sha256:49b6fee0b4e11d792f82cc03a5d81bb540e5a55e3175414c4ffdc9fa9f1e917c","sha256:49f514ca057b27e1c8ec38a3cc04c7ad9c4df16b42948f3fbe7278c4e17d66b4","sha256:577ff461911dec2bceb80e74da8428af500aa832d6c2997172c7cd1fe900d544","sha256:670163c40d1d4a1d45fba956fa04c9cc27283f3bc3e7d4a7d5e217d88bdd2bf4","sha256:8905f70224b68f6ac468f2441aad1d03391f4e140ff928b1f7f7fa19ca97ea03","sha256:8f67a698a1c09d6150660ed299f35de51f0fad89df5c949e789082071cfaffaf","sha256:977da92c34e2a6dd23db191e69ca63247c22d8bdebbd6a7a025fae360553a19c","sha256:98b76105f2a2ca279c0af509c0f500771b8123da756a00f541f735602ccd9bf9","sha256:9c328185246db07da2097ef3844bf60240a11f9e5347b8b03a90aed013a01822","sha256:a0ae3ed8e98ff64e288797713068e436047aab4aab7bf8ec0037de770dbcd21a","sha256:a408ab111c800e3e08cf59e0639dab60b0f79aeb3758efcee5e5722381969aee","sha256:b3b20fc516af97f71ec9673d3497c7013aca5de1e2ac3f282ff062f2fd13e1aa","sha256:bd8a7507d81482960193d8deee78afc7bc2f60821e967dacbdbbd3daf642070f","sha256:bee9a7465479bd81f978f1c270b36c34bbfd987abbcf841261a8602c146a08bc","sha256:bf1dd2dc6b58873556514797835a5b307c9197f3dfab082f819106a3afc34eab","sha256:c79cb364badd22714646ce3c77e173103d5fb27a211120d8103fe797b1c6dce9","sha256:c96fb7adb023a37a9b3d7ca3086ed625cd8d381d81e12bc2743d79e4ed80bdc4","sha256:c9eb6848e47dd8615b16e061589dd8bb4251e8dc6f6188aeddc477100ba6194b","sha256:d43d6c517129b0efd33f35810661adf250abf8c8562b6f885363d6f297661562","sha256:d650bf3e0cdcb2e4f1bd779612786c8496b2f62a225fa1c0fb880140789dabd6","sha256:dd57d645d9393bd87f5e02f05670d681b5de226423984ff5b72b1eb6cd73829d","sha256:e183976fbf397696c723dec5000ae036667883ad5892926fc0da824d61a9d922","sha256:e1c6a8eda88629806691fc99143248f9ce490c321f3ec8e32278a85cdf8721aa","sha256:e6815480fae26998eef19c06a81f43e418060a70aa1ec61fe2db1ebd43f586af","sha256:ea2a0f4f7b5762f2f800ae1169ac17696209026467069fd3fc0d3a326f6ab2e8","sha256:eef3308c0b729e6e07095f621e9519fe79870c7e36ee8ca5e339093afefdf6ee"]}],"invalid_events":[],"applied_event_ids":["sha256:305cdb0d3800831d2acb535245ab8a96a96724c686bfcd3b824c92faa6b47931","sha256:eecc53e423b6ce9f7a178536eba4bf686211aa704973767ec6f575ad2abcc957"],"state_sha256":"ff466204aae06874262eabfaef14ddd098d2700367d352cbf4a6f35550f8a423"}