{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:D4JM64WMJCWZ4UELZYBPYJWNRW","short_pith_number":"pith:D4JM64WM","schema_version":"1.0","canonical_sha256":"1f12cf72cc48ad9e508bce02fc26cd8db390f686ea2631c0b9b07af39575cc2a","source":{"kind":"arxiv","id":"2606.29124","version":1},"attestation_state":"computed","paper":{"title":"CornerCase: Automated Extremal Testing of Protocol Implementations using LLMs","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"George Varghese, Kuan Qian, Rathin Singha, Ryan Beckett, Siva Kesava Reddy Kakarla, Soheil Abbasloo, Srinath Saikrishnan, Todd Millstein, Tracy Zhao","submitted_at":"2026-06-28T00:25:50Z","abstract_excerpt":"Many software bugs in network protocol implementations arise near specification boundaries, such as inputs just within or outside allowed ranges, or messages that are valid in isolation but invalid in a given state. From the SSL Heartbleed exploit to TCP Christmas Tree packets, boundary inputs have repeatedly exposed critical weaknesses, yet remain under-tested by existing techniques such as fuzzing and model-based testing. We present CornerCase, an automated extremal testing approach that systematically targets such boundary behaviors. Our key idea is to decompose test generation into two sta"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2606.29124","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.NI","submitted_at":"2026-06-28T00:25:50Z","cross_cats_sorted":[],"title_canon_sha256":"e644fdb4a02a14b4d7d0e43c40bc5468b63b88c9cf9f12a1f9d6e9b2071b7ef8","abstract_canon_sha256":"cfc62fab14f7c264722fc1f8f48eba1a1fca6e75eb87b7982aa91f8faf59d557"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-30T01:17:53.618483Z","signature_b64":"5mYu6aQnZbrCb510T76XhFr4OaXoyD69/ID+dzUuoPAZCgq7XI8SwChNlNXfNc1fEAVKpzmjj7ynD12nwCuSCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1f12cf72cc48ad9e508bce02fc26cd8db390f686ea2631c0b9b07af39575cc2a","last_reissued_at":"2026-06-30T01:17:53.618032Z","signature_status":"signed_v1","first_computed_at":"2026-06-30T01:17:53.618032Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"CornerCase: Automated Extremal Testing of Protocol Implementations using LLMs","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"George Varghese, Kuan Qian, Rathin Singha, Ryan Beckett, Siva Kesava Reddy Kakarla, Soheil Abbasloo, Srinath Saikrishnan, Todd Millstein, Tracy Zhao","submitted_at":"2026-06-28T00:25:50Z","abstract_excerpt":"Many software bugs in network protocol implementations arise near specification boundaries, such as inputs just within or outside allowed ranges, or messages that are valid in isolation but invalid in a given state. From the SSL Heartbleed exploit to TCP Christmas Tree packets, boundary inputs have repeatedly exposed critical weaknesses, yet remain under-tested by existing techniques such as fuzzing and model-based testing. We present CornerCase, an automated extremal testing approach that systematically targets such boundary behaviors. Our key idea is to decompose test generation into two sta"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.29124","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/2606.29124/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2606.29124","created_at":"2026-06-30T01:17:53.618091+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.29124v1","created_at":"2026-06-30T01:17:53.618091+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.29124","created_at":"2026-06-30T01:17:53.618091+00:00"},{"alias_kind":"pith_short_12","alias_value":"D4JM64WMJCWZ","created_at":"2026-06-30T01:17:53.618091+00:00"},{"alias_kind":"pith_short_16","alias_value":"D4JM64WMJCWZ4UEL","created_at":"2026-06-30T01:17:53.618091+00:00"},{"alias_kind":"pith_short_8","alias_value":"D4JM64WM","created_at":"2026-06-30T01:17:53.618091+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/D4JM64WMJCWZ4UELZYBPYJWNRW","json":"https://pith.science/pith/D4JM64WMJCWZ4UELZYBPYJWNRW.json","graph_json":"https://pith.science/api/pith-number/D4JM64WMJCWZ4UELZYBPYJWNRW/graph.json","events_json":"https://pith.science/api/pith-number/D4JM64WMJCWZ4UELZYBPYJWNRW/events.json","paper":"https://pith.science/paper/D4JM64WM"},"agent_actions":{"view_html":"https://pith.science/pith/D4JM64WMJCWZ4UELZYBPYJWNRW","download_json":"https://pith.science/pith/D4JM64WMJCWZ4UELZYBPYJWNRW.json","view_paper":"https://pith.science/paper/D4JM64WM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.29124&json=true","fetch_graph":"https://pith.science/api/pith-number/D4JM64WMJCWZ4UELZYBPYJWNRW/graph.json","fetch_events":"https://pith.science/api/pith-number/D4JM64WMJCWZ4UELZYBPYJWNRW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/D4JM64WMJCWZ4UELZYBPYJWNRW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/D4JM64WMJCWZ4UELZYBPYJWNRW/action/storage_attestation","attest_author":"https://pith.science/pith/D4JM64WMJCWZ4UELZYBPYJWNRW/action/author_attestation","sign_citation":"https://pith.science/pith/D4JM64WMJCWZ4UELZYBPYJWNRW/action/citation_signature","submit_replication":"https://pith.science/pith/D4JM64WMJCWZ4UELZYBPYJWNRW/action/replication_record"}},"created_at":"2026-06-30T01:17:53.618091+00:00","updated_at":"2026-06-30T01:17:53.618091+00:00"}