{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:2TBWZCZHGODEGTBYKYS3F2I5B4","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":"6ebd2247351557f42863a08f98432483502097a82c2447eb666aec3e29dd7b3d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2007-05-20T12:20:56Z","title_canon_sha256":"035af5c9f984ee443f57c5280d7258765b139edbc8bc60b16e01d32d1b6cb434"},"schema_version":"1.0","source":{"id":"0705.2862","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0705.2862","created_at":"2026-05-18T04:37:11Z"},{"alias_kind":"arxiv_version","alias_value":"0705.2862v2","created_at":"2026-05-18T04:37:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0705.2862","created_at":"2026-05-18T04:37:11Z"},{"alias_kind":"pith_short_12","alias_value":"2TBWZCZHGODE","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"2TBWZCZHGODEGTBY","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"2TBWZCZH","created_at":"2026-05-18T12:25:54Z"}],"graph_snapshots":[{"event_id":"sha256:ce5a933aeabe028583545c5650362a9d21ec242766e3c62de46dd9a7b685b006","target":"graph","created_at":"2026-05-18T04:37:11Z","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"},"paper":{"abstract_excerpt":"We introduce a new approach for cryptanalysis of key agreement protocols based on noncommutative groups. This approach uses functions that estimate the distance of a group element to a given subgroup. We test it against the Shpilrain-Ushakov protocol, which is based on Thompson's group F.","authors_text":"Adi Shamir, Boaz Tsaban, Dima Ruinskiy","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2007-05-20T12:20:56Z","title":"Cryptanalysis of group-based key agreement protocols using subgroup distance functions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0705.2862","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":"sha256:1e94e52266e82ed97603bfe9e8701eac6ec4203edb7e14dffa01ebbac906a6d9","target":"record","created_at":"2026-05-18T04:37:11Z","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":"6ebd2247351557f42863a08f98432483502097a82c2447eb666aec3e29dd7b3d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2007-05-20T12:20:56Z","title_canon_sha256":"035af5c9f984ee443f57c5280d7258765b139edbc8bc60b16e01d32d1b6cb434"},"schema_version":"1.0","source":{"id":"0705.2862","kind":"arxiv","version":2}},"canonical_sha256":"d4c36c8b273386434c385625b2e91d0f02d0b486c2e55cb336aaa2b16396bae4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d4c36c8b273386434c385625b2e91d0f02d0b486c2e55cb336aaa2b16396bae4","first_computed_at":"2026-05-18T04:37:11.683321Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:37:11.683321Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ks46wH1km41e1CD0J574eAoos8r1CXlAsi7JWdMbD6lv89TZVRTkoauX8FL9qwpZi0+ypJ74ZG+5lU9DfxlrAA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:37:11.684103Z","signed_message":"canonical_sha256_bytes"},"source_id":"0705.2862","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1e94e52266e82ed97603bfe9e8701eac6ec4203edb7e14dffa01ebbac906a6d9","sha256:ce5a933aeabe028583545c5650362a9d21ec242766e3c62de46dd9a7b685b006"],"state_sha256":"ae70b3fe0c9370fb0a7c673fc7e6fcbcf181042ce5a2f4ac39ef8a8153170db1"}