{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:XWCVBZB2F5VRRQDVO2IOWJKOVK","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":"5b98d49ef3ed92570564f1ab0fb76ae07d890bbd549947e2e860d69ca4a9eba5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2024-12-21T08:02:58Z","title_canon_sha256":"aa5c23eb92eb8ab06e7c33fe0a61bc2a08ea8fac08b9935989f398f1884706c5"},"schema_version":"1.0","source":{"id":"2412.16525","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.16525","created_at":"2026-07-05T11:37:14Z"},{"alias_kind":"arxiv_version","alias_value":"2412.16525v2","created_at":"2026-07-05T11:37:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.16525","created_at":"2026-07-05T11:37:14Z"},{"alias_kind":"pith_short_12","alias_value":"XWCVBZB2F5VR","created_at":"2026-07-05T11:37:14Z"},{"alias_kind":"pith_short_16","alias_value":"XWCVBZB2F5VRRQDV","created_at":"2026-07-05T11:37:14Z"},{"alias_kind":"pith_short_8","alias_value":"XWCVBZB2","created_at":"2026-07-05T11:37:14Z"}],"graph_snapshots":[{"event_id":"sha256:799e4a3b4a7872059f5f1535377c1c15acfd76a26adb9899f4865d44e5e2efc8","target":"graph","created_at":"2026-07-05T11:37:14Z","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/2412.16525/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Large language model-generated code (LLMgCode) has become increasingly common in software development. So far LLMgCode has more quality issues than human-authored code (HaCode). It is common for LLMgCode to mix with HaCode in a code change, while the change is signed by only human developers, without being carefully examined. Many automated methods have been proposed to detect LLMgCode from HaCode, in which the perplexity-based method (PERPLEXITY for short) is the state-of-the-art method. However, the efficacy evaluation of PERPLEXITY has focused on detection accuracy. Yet it is unclear whethe","authors_text":"Alberto Bacchelli, Bohan Liu, He Zhang, Jinwei Xu, Jun Lyu, Lanxin Yang, Thiam Kian Chiew, Xin Zhou, Yanjing Yang, Yin Kia Chiam, Zeru Cheng","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2024-12-21T08:02:58Z","title":"One Size Does Not Fit All: Investigating Efficacy of Perplexity in Detecting LLM-Generated Code"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.16525","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":"sha256:90c88fe77827ba372c69639374156a9619525e330b6edd766201d647edabe87c","target":"record","created_at":"2026-07-05T11:37:14Z","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":"5b98d49ef3ed92570564f1ab0fb76ae07d890bbd549947e2e860d69ca4a9eba5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2024-12-21T08:02:58Z","title_canon_sha256":"aa5c23eb92eb8ab06e7c33fe0a61bc2a08ea8fac08b9935989f398f1884706c5"},"schema_version":"1.0","source":{"id":"2412.16525","kind":"arxiv","version":2}},"canonical_sha256":"bd8550e43a2f6b18c0757690eb254eaa8f3e8e34faca5f7bc06622bf93d54cf4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bd8550e43a2f6b18c0757690eb254eaa8f3e8e34faca5f7bc06622bf93d54cf4","first_computed_at":"2026-07-05T11:37:14.185537Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:37:14.185537Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QH/pCZP3kHfHdi1IjXoCLM6Onz+x4m7Z1dDdQhOtpbcqHw975B/kvoMWQ1M/mcXCmuGRfLnstoA0wqj3wUEwDg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:37:14.186025Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.16525","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:90c88fe77827ba372c69639374156a9619525e330b6edd766201d647edabe87c","sha256:799e4a3b4a7872059f5f1535377c1c15acfd76a26adb9899f4865d44e5e2efc8"],"state_sha256":"e1eb226b5bf809b7c742541cec8d1910f71ba9df55b5e70d045bed7d25e35281"}