{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:OYVD2QXRUDKPOS27WH4HUZDWPU","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":"6dbed5c888e86db654f34953d3d4803783d0027a3e5a5f5632aaf70943968eea","cross_cats_sorted":["cs.CL"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CR","submitted_at":"2026-08-07T03:52:33Z","title_canon_sha256":"0bbaa42acc31de4c283ca801e1105d48529cba31647a566380c96312d986b080"},"schema_version":"1.0","source":{"id":"2608.06778","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.06778","created_at":"2026-08-10T01:12:00Z"},{"alias_kind":"arxiv_version","alias_value":"2608.06778v1","created_at":"2026-08-10T01:12:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.06778","created_at":"2026-08-10T01:12:00Z"},{"alias_kind":"pith_short_12","alias_value":"OYVD2QXRUDKP","created_at":"2026-08-10T01:12:00Z"},{"alias_kind":"pith_short_16","alias_value":"OYVD2QXRUDKPOS27","created_at":"2026-08-10T01:12:00Z"},{"alias_kind":"pith_short_8","alias_value":"OYVD2QXR","created_at":"2026-08-10T01:12:00Z"}],"graph_snapshots":[{"event_id":"sha256:892f758d93417fb6637bb8fcf240cc17c963ec1c76e8240dd39af2a3ace4fc1b","target":"graph","created_at":"2026-08-10T01:12:00Z","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/2608.06778/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Mapping cyber threat intelligence (CTI) text to MITRE ATT&CK techniques is essential for structured threat analysis, yet manual annotation is costly and does not scale. The ATT&CK taxonomy comprises several hundred attack techniques, and a single CTI passage may describe multiple techniques, making accurate and complete extraction challenging. Existing automated approaches fall short in different ways: multi-label classifiers struggle with severe class imbalance and the large label space, while LLM-based methods--retrieval pipelines and fine-tuned generators--optimize token-level objectives th","authors_text":"Jiayun Zhang, Junshen Xu, Yi Fan, Zejun Xie","cross_cats":["cs.CL"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CR","submitted_at":"2026-08-07T03:52:33Z","title":"Retrieval-Constrained Policy Optimization for Attack Technique Extraction from Cyber Threat Intelligence"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.06778","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":"sha256:20051c9a14f3fee9a7d949e96d006dbedabb825bd5ecd35de8ca38ff1e15c9c7","target":"record","created_at":"2026-08-10T01:12:00Z","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":"6dbed5c888e86db654f34953d3d4803783d0027a3e5a5f5632aaf70943968eea","cross_cats_sorted":["cs.CL"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CR","submitted_at":"2026-08-07T03:52:33Z","title_canon_sha256":"0bbaa42acc31de4c283ca801e1105d48529cba31647a566380c96312d986b080"},"schema_version":"1.0","source":{"id":"2608.06778","kind":"arxiv","version":1}},"canonical_sha256":"762a3d42f1a0d4f74b5fb1f87a64767d17870ed92dac084b9c6b0b9e3302fb55","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"762a3d42f1a0d4f74b5fb1f87a64767d17870ed92dac084b9c6b0b9e3302fb55","first_computed_at":"2026-08-10T01:12:00.677901Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-10T01:12:00.677901Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dHYtmOARRqftmZ9i55da2KnY3Bj++tJwN5LPyiDFlnJj7OKx9X7kujovi9jZT2aFjGGvWJfjzNlDR0vMVLTQAQ==","signature_status":"signed_v1","signed_at":"2026-08-10T01:12:00.680420Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.06778","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:20051c9a14f3fee9a7d949e96d006dbedabb825bd5ecd35de8ca38ff1e15c9c7","sha256:892f758d93417fb6637bb8fcf240cc17c963ec1c76e8240dd39af2a3ace4fc1b"],"state_sha256":"55ef91855a627c405841fffc8a52846f54c0d19790f50532f12978ee68f4946c"}