{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:ZIFEHWDXQBHYAQGY3UVPGR4ZXB","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":"0621c0a8165a4e2a036de8634b2d9d6076952b6bb86ee64fe32ee10d882e104f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2018-03-14T15:43:13Z","title_canon_sha256":"96f27a92720a139c1202fd2714627f74e80667fedc020236c6fc8f6f3459ea48"},"schema_version":"1.0","source":{"id":"1803.05365","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.05365","created_at":"2026-05-18T00:20:51Z"},{"alias_kind":"arxiv_version","alias_value":"1803.05365v2","created_at":"2026-05-18T00:20:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.05365","created_at":"2026-05-18T00:20:51Z"},{"alias_kind":"pith_short_12","alias_value":"ZIFEHWDXQBHY","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"ZIFEHWDXQBHYAQGY","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"ZIFEHWDX","created_at":"2026-05-18T12:33:07Z"}],"graph_snapshots":[{"event_id":"sha256:f8da32118898925f29eb0adbb5bd3a5fe9bd2245a472d5192a497ecd172fb8c2","target":"graph","created_at":"2026-05-18T00:20:51Z","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":"A significant security vulnerability in a recently published group key establishment protocol is described. This vulnerability allows a malicious insider to fraudulently establish a group key with an innocent victim, with the key chosen by the attacker. This shortcoming is sufficiently serious that the protocol should not be used.","authors_text":"Chris J Mitchell","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2018-03-14T15:43:13Z","title":"The Hsu-Harn-Mu-Zhang-Zhu group key establishment protocol is insecure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.05365","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":"sha256:373376ca2b6ade13a802a4425f52f35187a78f0da993121c2f45366cc8c37f45","target":"record","created_at":"2026-05-18T00:20:51Z","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":"0621c0a8165a4e2a036de8634b2d9d6076952b6bb86ee64fe32ee10d882e104f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2018-03-14T15:43:13Z","title_canon_sha256":"96f27a92720a139c1202fd2714627f74e80667fedc020236c6fc8f6f3459ea48"},"schema_version":"1.0","source":{"id":"1803.05365","kind":"arxiv","version":2}},"canonical_sha256":"ca0a43d877804f8040d8dd2af34799b8404bef605f8f2ae2eea975c518601fab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ca0a43d877804f8040d8dd2af34799b8404bef605f8f2ae2eea975c518601fab","first_computed_at":"2026-05-18T00:20:51.524366Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:20:51.524366Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"C9qzLFAHpK0DdBsiK/EnYfXO8QZjDOoUJzWYFKaQ8hxvxUNrZpQldb18bEfuguYWM0SSrRzylwn+6IC8VPTlAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:20:51.524907Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.05365","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:373376ca2b6ade13a802a4425f52f35187a78f0da993121c2f45366cc8c37f45","sha256:f8da32118898925f29eb0adbb5bd3a5fe9bd2245a472d5192a497ecd172fb8c2"],"state_sha256":"117dc2f0f8dbebd77ad24813f3161ce972a3b28e35184cacba8165ba1777b9e3"}