{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:KBESOYZ6BFX4DIH5OUADKWIMGR","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":"f8cd325af688f51317e0316401c18017ffe756f7228b80fca1db25f457720696","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-22T22:51:55Z","title_canon_sha256":"f8ce8a8685c91c51693ddcd43f59596de76fbdaf233350ae5f1e717157d21d33"},"schema_version":"1.0","source":{"id":"1904.10085","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.10085","created_at":"2026-05-17T23:47:55Z"},{"alias_kind":"arxiv_version","alias_value":"1904.10085v1","created_at":"2026-05-17T23:47:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.10085","created_at":"2026-05-17T23:47:55Z"},{"alias_kind":"pith_short_12","alias_value":"KBESOYZ6BFX4","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"KBESOYZ6BFX4DIH5","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"KBESOYZ6","created_at":"2026-05-18T12:33:21Z"}],"graph_snapshots":[{"event_id":"sha256:f9816551de7664d449db9add0744cac8ae9a96d7489750f419b3e8d58377cf56","target":"graph","created_at":"2026-05-17T23:47:55Z","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":"The proper classification of major eye movements, saccades, fixations, and smooth pursuits, remains essential to utilizing eye-tracking data. There is difficulty in separating out smooth pursuits from the other behavior types, particularly from fixations. To this end, we propose a new offline algorithm, I-VDT-HMM, for tertiary classification of eye movements. The algorithm combines the simplicity of two foundational algorithms, I-VT and I-DT, as has been implemented in I-VDT, with the statistical predictive power of the Viterbi algorithm. We evaluate the fitness across a dataset of eight eye m","authors_text":"Douglas Kirkpatrick, Oleg Komogortsev, Samuel-Hunter Berndt, Timothy Taviano","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-22T22:51:55Z","title":"Tertiary Eye Movement Classification by a Hybrid Algorithm"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.10085","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":"sha256:3d2c120f9d4fe3b41df504f4762feab5c390187e7d2d7b7ba2ab60a564122c30","target":"record","created_at":"2026-05-17T23:47:55Z","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":"f8cd325af688f51317e0316401c18017ffe756f7228b80fca1db25f457720696","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-04-22T22:51:55Z","title_canon_sha256":"f8ce8a8685c91c51693ddcd43f59596de76fbdaf233350ae5f1e717157d21d33"},"schema_version":"1.0","source":{"id":"1904.10085","kind":"arxiv","version":1}},"canonical_sha256":"504927633e096fc1a0fd750035590c34543e0fd37f51a665a0008ae16027cc9c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"504927633e096fc1a0fd750035590c34543e0fd37f51a665a0008ae16027cc9c","first_computed_at":"2026-05-17T23:47:55.145862Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:47:55.145862Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eR1U0VhnQuK/eDN10PhLescuIapZMFcb3RMkfu1FvYZ/LqbNk86w+Mv6ve82/A3VtZLhJEJH3gc916vPRS6VAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:47:55.146513Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.10085","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3d2c120f9d4fe3b41df504f4762feab5c390187e7d2d7b7ba2ab60a564122c30","sha256:f9816551de7664d449db9add0744cac8ae9a96d7489750f419b3e8d58377cf56"],"state_sha256":"8e4571a724377244031bc97251a8be4c945105bde79a079fe068591e674d1113"}