{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:K3XFKECC7ZLP7IWBB4Q5TRSZPN","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":"66d8c0060a518510ca9256f73f1bb6d998a22439bc15d5a10b446f1495f3bf00","cross_cats_sorted":["cs.RO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2018-11-29T20:31:45Z","title_canon_sha256":"0a4faf5e65491a6df4d341d0a89f18ceeffb49800a79c7871502ebfb710d9936"},"schema_version":"1.0","source":{"id":"1812.07653","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.07653","created_at":"2026-05-17T23:57:56Z"},{"alias_kind":"arxiv_version","alias_value":"1812.07653v1","created_at":"2026-05-17T23:57:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.07653","created_at":"2026-05-17T23:57:56Z"},{"alias_kind":"pith_short_12","alias_value":"K3XFKECC7ZLP","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"K3XFKECC7ZLP7IWB","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"K3XFKECC","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:dde725a9091e187553b8e3b384db6306457e7d9b7bec3c93a3aca89d61b04a20","target":"graph","created_at":"2026-05-17T23:57:56Z","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":"In this paper, we will present a method for measuring cognitive load and online real-time feedback using the Tobii Pro 2 eye-tracking glasses. The system is envisaged to be capable of estimating high cognitive load states and situations, and adjust human-machine interfaces to the user's needs. The system is using well-known metrics such as average pupillary size over time. Our system can provide cognitive load feedback at 17-18 Hz. We will elaborate on our results of a HRI study using this tool to show it's functionality.","authors_text":"Georgios Minadakis, Katrin Lohan","cross_cats":["cs.RO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2018-11-29T20:31:45Z","title":"Using Pupil Diameter to Measure Cognitive Load"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.07653","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":"sha256:4fa2fd0044f690a475bbcd2aaa73b9ff17ae0e8e7382f43ecba502e620a5ade5","target":"record","created_at":"2026-05-17T23:57:56Z","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":"66d8c0060a518510ca9256f73f1bb6d998a22439bc15d5a10b446f1495f3bf00","cross_cats_sorted":["cs.RO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2018-11-29T20:31:45Z","title_canon_sha256":"0a4faf5e65491a6df4d341d0a89f18ceeffb49800a79c7871502ebfb710d9936"},"schema_version":"1.0","source":{"id":"1812.07653","kind":"arxiv","version":1}},"canonical_sha256":"56ee551042fe56ffa2c10f21d9c6597b650d85cbfa2ca775f7ebc44affcddd88","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"56ee551042fe56ffa2c10f21d9c6597b650d85cbfa2ca775f7ebc44affcddd88","first_computed_at":"2026-05-17T23:57:56.426407Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:57:56.426407Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vZ4WqyW6Cz/+eXIq/93fnNT68cu0QtTuXHNRlrhGNL/s0o/5q3iBakj8I7OUPFBqGeOwmwLI7qixvld5OTBrAg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:57:56.427050Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.07653","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4fa2fd0044f690a475bbcd2aaa73b9ff17ae0e8e7382f43ecba502e620a5ade5","sha256:dde725a9091e187553b8e3b384db6306457e7d9b7bec3c93a3aca89d61b04a20"],"state_sha256":"d911d9ebedff92efb000f00cc5d939c28be685c27ec30cd30059aec13cb7b2d1"}