{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:7JZTBVVFZW4F7VSNYGY2Y4BFK2","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":"9498041b3a22871b824d408950d88708c9223ce7ade73494f68e16dd1fe1c229","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2019-03-19T20:17:49Z","title_canon_sha256":"ba0e7b5e966c0ebe19114ed8bf6dddad375382af97f22d4c6b86133b407bde1a"},"schema_version":"1.0","source":{"id":"1903.08644","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.08644","created_at":"2026-05-17T23:50:44Z"},{"alias_kind":"arxiv_version","alias_value":"1903.08644v1","created_at":"2026-05-17T23:50:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.08644","created_at":"2026-05-17T23:50:44Z"},{"alias_kind":"pith_short_12","alias_value":"7JZTBVVFZW4F","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"7JZTBVVFZW4F7VSN","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"7JZTBVVF","created_at":"2026-05-18T12:33:12Z"}],"graph_snapshots":[{"event_id":"sha256:80f6032d8e14e94f94f75c3783a561d817b9d8fc2ec58beeb6fd38847c1fde06","target":"graph","created_at":"2026-05-17T23:50:44Z","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":"Information architecture forms the foundation of users' navigation experience. Open card sorting is a widely-used method to create information architectures based on users' groupings of the content. However, little is known about the method's cross-study reliability: Does it produce consistent content groupings for similar profile participants involved in different card sort studies? This paper presents an empirical evaluation of the method's cross-study reliability. Six card sorts involving 140 participants were conducted: three open sorts for a travel website, and three for an eshop. Results","authors_text":"Christos Katsanos, Ioannis Stamelos, Lefteris Angelis, Nikolaos Avouris, Nikolaos Tselios, Stavros Demetriadis","cross_cats":["cs.CY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2019-03-19T20:17:49Z","title":"Cross-study Reliability of the Open Card Sorting Method"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.08644","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":"sha256:2fa96c71c539a4ecf6b6c796f150be8d430a3b0c29e6dbd5ee5222af4b6b663a","target":"record","created_at":"2026-05-17T23:50:44Z","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":"9498041b3a22871b824d408950d88708c9223ce7ade73494f68e16dd1fe1c229","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2019-03-19T20:17:49Z","title_canon_sha256":"ba0e7b5e966c0ebe19114ed8bf6dddad375382af97f22d4c6b86133b407bde1a"},"schema_version":"1.0","source":{"id":"1903.08644","kind":"arxiv","version":1}},"canonical_sha256":"fa7330d6a5cdb85fd64dc1b1ac702556a7097bcc7b8351df63e5c64cc712c78a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fa7330d6a5cdb85fd64dc1b1ac702556a7097bcc7b8351df63e5c64cc712c78a","first_computed_at":"2026-05-17T23:50:44.302640Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:44.302640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ICPZ4hjWSVqBa856H7HGuqn+hG3rSueEnVCRZ5tAmbtxO88NVydoIgDpp0dxMmLpkBIp4rD18vHg20iO1iybCQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:44.303182Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.08644","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2fa96c71c539a4ecf6b6c796f150be8d430a3b0c29e6dbd5ee5222af4b6b663a","sha256:80f6032d8e14e94f94f75c3783a561d817b9d8fc2ec58beeb6fd38847c1fde06"],"state_sha256":"ff246b69a78a7ae69eccfbd5c1e5c85a66edc8a14904d8c774e5afc987420b5c"}