{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:ERCHQYJ725T4S3T2Y2NZD5GTKK","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":"b02f7ae20d0e56786b7295d6ab0f9eeda7eb80999f7993292088df3acb1c1f0d","cross_cats_sorted":["cs.CR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2018-05-31T16:20:54Z","title_canon_sha256":"b60e9f1f3c83ad4043e0f80b17494c1b3cb4fea5bd0d3772074708c47ee43cd8"},"schema_version":"1.0","source":{"id":"1805.12539","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.12539","created_at":"2026-05-18T00:14:29Z"},{"alias_kind":"arxiv_version","alias_value":"1805.12539v1","created_at":"2026-05-18T00:14:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.12539","created_at":"2026-05-18T00:14:29Z"},{"alias_kind":"pith_short_12","alias_value":"ERCHQYJ725T4","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"ERCHQYJ725T4S3T2","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"ERCHQYJ7","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:b298db8fa918c436e5717f09d1be8170b45e570387da3a0beb3c06536a6e58f7","target":"graph","created_at":"2026-05-18T00:14:29Z","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":"Mobile device users avoiding observational attacks and coping with situational impairments may employ techniques for eyes-free mobile unlock authentication, where a user enters his/her passcode without looking at the device. This study supplies an initial description of user accu- racy in performing this authentication behavior with PIN and pattern passcodes, with varying lengths and visual characteristics. Additionally, we inquire if tactile-only feedback can provide assistive spatialization, finding that orientation cues prior to unlocking do not help. Measure- ments of edit distance and dyn","authors_text":"Adam J. Aviv, Flynn Wolf, Ravi Kuber","cross_cats":["cs.CR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2018-05-31T16:20:54Z","title":"Classifying Eyes-Free Mobile Authentication Techniques"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.12539","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:bdf15ed06ba8514ed7ef9dd53505d45a99cf6456787f76932f0188c4190792b0","target":"record","created_at":"2026-05-18T00:14:29Z","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":"b02f7ae20d0e56786b7295d6ab0f9eeda7eb80999f7993292088df3acb1c1f0d","cross_cats_sorted":["cs.CR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2018-05-31T16:20:54Z","title_canon_sha256":"b60e9f1f3c83ad4043e0f80b17494c1b3cb4fea5bd0d3772074708c47ee43cd8"},"schema_version":"1.0","source":{"id":"1805.12539","kind":"arxiv","version":1}},"canonical_sha256":"244478613fd767c96e7ac69b91f4d352959e107a2968ab3e129b17c7ddc8ba23","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"244478613fd767c96e7ac69b91f4d352959e107a2968ab3e129b17c7ddc8ba23","first_computed_at":"2026-05-18T00:14:29.952971Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:14:29.952971Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jJls+InHwO1GSfxfGIeu22T1Ml8NQy555zv98Lv7ielvDLkKGCMo5qyAq3Nv8lQ2tVBuqhElI3o1Zyhn2z4mDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:14:29.953618Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.12539","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bdf15ed06ba8514ed7ef9dd53505d45a99cf6456787f76932f0188c4190792b0","sha256:b298db8fa918c436e5717f09d1be8170b45e570387da3a0beb3c06536a6e58f7"],"state_sha256":"e56be81df520e6e24f2f6ebe768003290c3205630c062a2eefeb3184fe0a0b5f"}