{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:PUHVPDPSGIDGNXXGVIQYVJSQYY","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":"61217ad8b8603737fdab294e2185d06cff1fb19302662c6b83f1ca16e974642e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2025-07-29T03:06:04Z","title_canon_sha256":"506c976068d951c5f4bcb3c4961f432a98fc73473999458e54155e9ca8e0b235"},"schema_version":"1.0","source":{"id":"2507.21462","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.21462","created_at":"2026-07-05T11:50:38Z"},{"alias_kind":"arxiv_version","alias_value":"2507.21462v4","created_at":"2026-07-05T11:50:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.21462","created_at":"2026-07-05T11:50:38Z"},{"alias_kind":"pith_short_12","alias_value":"PUHVPDPSGIDG","created_at":"2026-07-05T11:50:38Z"},{"alias_kind":"pith_short_16","alias_value":"PUHVPDPSGIDGNXXG","created_at":"2026-07-05T11:50:38Z"},{"alias_kind":"pith_short_8","alias_value":"PUHVPDPS","created_at":"2026-07-05T11:50:38Z"}],"graph_snapshots":[{"event_id":"sha256:baaba9a0ab79c6119c04c3ce0f57e2e42884feb97318e2d2973e3288459f40b1","target":"graph","created_at":"2026-07-05T11:50:38Z","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/2507.21462/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate whether tactile charts support comprehension and learning of complex visualizations for blind and low-vision (BLV) individuals and contribute four tactile chart designs and an interview study. Visualizations are powerful tools for conveying data, yet BLV individuals typically can rely only on assistive technologies -- primarily alternative texts -- to access this information. Prior research shows the importance of mental models of chart types for interpreting these descriptions, yet BLV individuals have no means to build such a mental model based on images of visualizations. Tac","authors_text":"Alexander Lex, Daniel Hajas, Maggie McCracken, Sarah Creem-Regehr, Tingying He","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2025-07-29T03:06:04Z","title":"Using Tactile Charts to Support Comprehension and Learning of Complex Visualizations for Blind and Low-Vision Individuals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.21462","kind":"arxiv","version":4},"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":"sha256:3798296d6476c107ff16da702d96062e99badbf068fc0b9adacc62d161f66cce","target":"record","created_at":"2026-07-05T11:50:38Z","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":"61217ad8b8603737fdab294e2185d06cff1fb19302662c6b83f1ca16e974642e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2025-07-29T03:06:04Z","title_canon_sha256":"506c976068d951c5f4bcb3c4961f432a98fc73473999458e54155e9ca8e0b235"},"schema_version":"1.0","source":{"id":"2507.21462","kind":"arxiv","version":4}},"canonical_sha256":"7d0f578df2320666dee6aa218aa650c614b6f92d7a5e6b93f43c309848d4f781","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7d0f578df2320666dee6aa218aa650c614b6f92d7a5e6b93f43c309848d4f781","first_computed_at":"2026-07-05T11:50:38.898981Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:50:38.898981Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3v0non9LA+Ay2A1NDkftq5uMUaHuXiDIKw8YGB/cXL4YjOrj510Pe9mUMVoLxba+F6BIEZO6k/wXaKPS1fhvAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:50:38.899435Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.21462","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3798296d6476c107ff16da702d96062e99badbf068fc0b9adacc62d161f66cce","sha256:baaba9a0ab79c6119c04c3ce0f57e2e42884feb97318e2d2973e3288459f40b1"],"state_sha256":"3c9f8edd7f1a5b34757b576a384229d85cba1fb9749b6de16373e8a1c1cfa60e"}