{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:LYUACPUGXW3WZYVZWMBGMWAOYC","short_pith_number":"pith:LYUACPUG","canonical_record":{"source":{"id":"1611.08492","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2016-11-25T15:29:46Z","cross_cats_sorted":[],"title_canon_sha256":"7a421b74c701717d20e0513fdb267013bb7509035abc76ca5045912829c7cfc1","abstract_canon_sha256":"f057028a492d9b61e422b757f30472c096b62ab0be610e0fa098f078f1b09dc9"},"schema_version":"1.0"},"canonical_sha256":"5e28013e86bdb76ce2b9b30266580ec08782afbebdcf584bb002351714ff87ec","source":{"kind":"arxiv","id":"1611.08492","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.08492","created_at":"2026-05-18T00:56:38Z"},{"alias_kind":"arxiv_version","alias_value":"1611.08492v1","created_at":"2026-05-18T00:56:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.08492","created_at":"2026-05-18T00:56:38Z"},{"alias_kind":"pith_short_12","alias_value":"LYUACPUGXW3W","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"LYUACPUGXW3WZYVZ","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"LYUACPUG","created_at":"2026-05-18T12:30:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:LYUACPUGXW3WZYVZWMBGMWAOYC","target":"record","payload":{"canonical_record":{"source":{"id":"1611.08492","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2016-11-25T15:29:46Z","cross_cats_sorted":[],"title_canon_sha256":"7a421b74c701717d20e0513fdb267013bb7509035abc76ca5045912829c7cfc1","abstract_canon_sha256":"f057028a492d9b61e422b757f30472c096b62ab0be610e0fa098f078f1b09dc9"},"schema_version":"1.0"},"canonical_sha256":"5e28013e86bdb76ce2b9b30266580ec08782afbebdcf584bb002351714ff87ec","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:56:38.828611Z","signature_b64":"F73axGWtrZq/qYn/BKDHwxMZ5WefHzKVeLcnG55igLiGfCaIZiTG9S7fKvRjwbMJu664gsW21JepZs56GMuVDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5e28013e86bdb76ce2b9b30266580ec08782afbebdcf584bb002351714ff87ec","last_reissued_at":"2026-05-18T00:56:38.827878Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:56:38.827878Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1611.08492","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:56:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UUHHGZwNvAF58xlheJwxzlzNxs1GdLb5bB2ls0byFaAtflHwQrU51oTASXl3JoRZAiTnkN3+E1u8g5pcwBkGCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T01:41:23.134719Z"},"content_sha256":"2ce381697de3627f1da971ef8805ed6eff1539f74c9661b27c3d687abc70f21d","schema_version":"1.0","event_id":"sha256:2ce381697de3627f1da971ef8805ed6eff1539f74c9661b27c3d687abc70f21d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:LYUACPUGXW3WZYVZWMBGMWAOYC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Multimodal Approach to Estimating Vigilance Using EEG and Forehead EOG","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.HC","authors_text":"Bao-Liang Lu, Wei-Long Zheng","submitted_at":"2016-11-25T15:29:46Z","abstract_excerpt":"Objective. Covert aspects of ongoing user mental states provide key context information for user-aware human computer interactions. In this paper, we focus on the problem of estimating the vigilance of users using EEG and EOG signals. Approach. To improve the feasibility and wearability of vigilance estimation devices for real-world applications, we adopt a novel electrode placement for forehead EOG and extract various eye movement features, which contain the principal information of traditional EOG. We explore the effects of EEG from different brain areas and combine EEG and forehead EOG to l"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.08492","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:56:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4WK4EenG7w93ugETsyCWPOpADzQiA6Oo7Aw/48+8aRoxt8PEjFKqdsxM2wgLBx1oCf7y9STJpeSju+yA3qDVCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T01:41:23.135458Z"},"content_sha256":"00e181bcab1379e71018f930138b5eb025a668fd4eaa6b5cb3913af5edb32b61","schema_version":"1.0","event_id":"sha256:00e181bcab1379e71018f930138b5eb025a668fd4eaa6b5cb3913af5edb32b61"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LYUACPUGXW3WZYVZWMBGMWAOYC/bundle.json","state_url":"https://pith.science/pith/LYUACPUGXW3WZYVZWMBGMWAOYC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LYUACPUGXW3WZYVZWMBGMWAOYC/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-08T01:41:23Z","links":{"resolver":"https://pith.science/pith/LYUACPUGXW3WZYVZWMBGMWAOYC","bundle":"https://pith.science/pith/LYUACPUGXW3WZYVZWMBGMWAOYC/bundle.json","state":"https://pith.science/pith/LYUACPUGXW3WZYVZWMBGMWAOYC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LYUACPUGXW3WZYVZWMBGMWAOYC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:LYUACPUGXW3WZYVZWMBGMWAOYC","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":"f057028a492d9b61e422b757f30472c096b62ab0be610e0fa098f078f1b09dc9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2016-11-25T15:29:46Z","title_canon_sha256":"7a421b74c701717d20e0513fdb267013bb7509035abc76ca5045912829c7cfc1"},"schema_version":"1.0","source":{"id":"1611.08492","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.08492","created_at":"2026-05-18T00:56:38Z"},{"alias_kind":"arxiv_version","alias_value":"1611.08492v1","created_at":"2026-05-18T00:56:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.08492","created_at":"2026-05-18T00:56:38Z"},{"alias_kind":"pith_short_12","alias_value":"LYUACPUGXW3W","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"LYUACPUGXW3WZYVZ","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"LYUACPUG","created_at":"2026-05-18T12:30:29Z"}],"graph_snapshots":[{"event_id":"sha256:00e181bcab1379e71018f930138b5eb025a668fd4eaa6b5cb3913af5edb32b61","target":"graph","created_at":"2026-05-18T00:56:38Z","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"},"paper":{"abstract_excerpt":"Objective. Covert aspects of ongoing user mental states provide key context information for user-aware human computer interactions. In this paper, we focus on the problem of estimating the vigilance of users using EEG and EOG signals. Approach. To improve the feasibility and wearability of vigilance estimation devices for real-world applications, we adopt a novel electrode placement for forehead EOG and extract various eye movement features, which contain the principal information of traditional EOG. We explore the effects of EEG from different brain areas and combine EEG and forehead EOG to l","authors_text":"Bao-Liang Lu, Wei-Long Zheng","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2016-11-25T15:29:46Z","title":"A Multimodal Approach to Estimating Vigilance Using EEG and Forehead EOG"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.08492","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":"sha256:2ce381697de3627f1da971ef8805ed6eff1539f74c9661b27c3d687abc70f21d","target":"record","created_at":"2026-05-18T00:56:38Z","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":"f057028a492d9b61e422b757f30472c096b62ab0be610e0fa098f078f1b09dc9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2016-11-25T15:29:46Z","title_canon_sha256":"7a421b74c701717d20e0513fdb267013bb7509035abc76ca5045912829c7cfc1"},"schema_version":"1.0","source":{"id":"1611.08492","kind":"arxiv","version":1}},"canonical_sha256":"5e28013e86bdb76ce2b9b30266580ec08782afbebdcf584bb002351714ff87ec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5e28013e86bdb76ce2b9b30266580ec08782afbebdcf584bb002351714ff87ec","first_computed_at":"2026-05-18T00:56:38.827878Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:56:38.827878Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"F73axGWtrZq/qYn/BKDHwxMZ5WefHzKVeLcnG55igLiGfCaIZiTG9S7fKvRjwbMJu664gsW21JepZs56GMuVDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:56:38.828611Z","signed_message":"canonical_sha256_bytes"},"source_id":"1611.08492","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2ce381697de3627f1da971ef8805ed6eff1539f74c9661b27c3d687abc70f21d","sha256:00e181bcab1379e71018f930138b5eb025a668fd4eaa6b5cb3913af5edb32b61"],"state_sha256":"4588b286769c3c19e0ba4310ac2e9b62dac930c0cfb4f36e249b0a10fd48d197"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FJNOphqEjhaiR3dAUbtw8SXZwC6tbRB4edkThwUEp5F9XtwRYcq/ZYFVVcG65aw6ehRkAbwdvnMbNmMkB0CqDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T01:41:23.139225Z","bundle_sha256":"a2faebfbfcbe2b4549a4d8b3fa41cf15d9c9b4f3eeab73ff1b7325329f71d723"}}