{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:CF6L4IEWPU7YINVUHU7ANLPCRP","short_pith_number":"pith:CF6L4IEW","canonical_record":{"source":{"id":"2301.06406","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2023-01-16T12:49:25Z","cross_cats_sorted":[],"title_canon_sha256":"dcacf2d0babd679ecf5ae677c6271e69dd2394fcdafa438161039877f5fabf11","abstract_canon_sha256":"9a1ad9d33c0c3dff97b86b5bf79e7cc76ee2922ae3853df08b7c5f69508d2b30"},"schema_version":"1.0"},"canonical_sha256":"117cbe20967d3f8436b43d3e06ade28bc142922197fbcffb6a1a9ac94c4be018","source":{"kind":"arxiv","id":"2301.06406","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.06406","created_at":"2026-07-05T05:33:31Z"},{"alias_kind":"arxiv_version","alias_value":"2301.06406v1","created_at":"2026-07-05T05:33:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.06406","created_at":"2026-07-05T05:33:31Z"},{"alias_kind":"pith_short_12","alias_value":"CF6L4IEWPU7Y","created_at":"2026-07-05T05:33:31Z"},{"alias_kind":"pith_short_16","alias_value":"CF6L4IEWPU7YINVU","created_at":"2026-07-05T05:33:31Z"},{"alias_kind":"pith_short_8","alias_value":"CF6L4IEW","created_at":"2026-07-05T05:33:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:CF6L4IEWPU7YINVUHU7ANLPCRP","target":"record","payload":{"canonical_record":{"source":{"id":"2301.06406","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2023-01-16T12:49:25Z","cross_cats_sorted":[],"title_canon_sha256":"dcacf2d0babd679ecf5ae677c6271e69dd2394fcdafa438161039877f5fabf11","abstract_canon_sha256":"9a1ad9d33c0c3dff97b86b5bf79e7cc76ee2922ae3853df08b7c5f69508d2b30"},"schema_version":"1.0"},"canonical_sha256":"117cbe20967d3f8436b43d3e06ade28bc142922197fbcffb6a1a9ac94c4be018","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:33:31.290973Z","signature_b64":"sje8Shj+0/RuXrcGPVShCoXoTo1tP1uRxGCeo6S9RAsA4tiXJVQRJ7Gs5oD8+5NgtKHTKXd6AJ4/zvbTOe/FBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"117cbe20967d3f8436b43d3e06ade28bc142922197fbcffb6a1a9ac94c4be018","last_reissued_at":"2026-07-05T05:33:31.290521Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:33:31.290521Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2301.06406","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":"2026-07-05T05:33:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CWm4y50KKZ8VZFJqGQd3GhGoPVXUgeo9CqLRi+eSHtDfnQ+6nyidIoAq8QoxDmMqy3CwiUaSwIl2YaWkDyTiDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T21:15:17.213115Z"},"content_sha256":"d9a972ea37ae6e714dc9105f1fb1793b2c5d9a17e3ebd07afaf27d565a860a60","schema_version":"1.0","event_id":"sha256:d9a972ea37ae6e714dc9105f1fb1793b2c5d9a17e3ebd07afaf27d565a860a60"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:CF6L4IEWPU7YINVUHU7ANLPCRP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hearables: Ear EEG Based Driver Fatigue Detection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Danilo P. Mandic, Harry Davies, Metin C. Yarici, Nico Lingg, Pierluigi Amadori, Takashi Nakamura, Yiannis Demiris","submitted_at":"2023-01-16T12:49:25Z","abstract_excerpt":"Ear EEG based driver fatigue monitoring systems have the potential to provide a seamless, efficient, and feasibly deployable alternative to existing scalp EEG based systems, which are often cumbersome and impractical. However, the feasibility of detecting the relevant delta, theta, alpha, and beta band EEG activity through the ear EEG is yet to be investigated. Through measurements of scalp and ear EEG on ten subjects during a simulated, monotonous driving experiment, this study provides statistical analysis of characteristic ear EEG changes that are associated with the transition from alert t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.06406","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2301.06406/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T05:33:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uUWvsLibuy7BDHfq7yN5DtmbwcbyKy5zKlUUH8aD+j4HMpZIJ3oxkDGRLSGGMX9XGmYSD2w09xcus5RKKSgmDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T21:15:17.213776Z"},"content_sha256":"6c9d8cef7e4fbcde5ee9218157a6b9a40d5b143a27070d14882d89209615a1b0","schema_version":"1.0","event_id":"sha256:6c9d8cef7e4fbcde5ee9218157a6b9a40d5b143a27070d14882d89209615a1b0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CF6L4IEWPU7YINVUHU7ANLPCRP/bundle.json","state_url":"https://pith.science/pith/CF6L4IEWPU7YINVUHU7ANLPCRP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CF6L4IEWPU7YINVUHU7ANLPCRP/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":"2026-08-03T21:15:17Z","links":{"resolver":"https://pith.science/pith/CF6L4IEWPU7YINVUHU7ANLPCRP","bundle":"https://pith.science/pith/CF6L4IEWPU7YINVUHU7ANLPCRP/bundle.json","state":"https://pith.science/pith/CF6L4IEWPU7YINVUHU7ANLPCRP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CF6L4IEWPU7YINVUHU7ANLPCRP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:CF6L4IEWPU7YINVUHU7ANLPCRP","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":"9a1ad9d33c0c3dff97b86b5bf79e7cc76ee2922ae3853df08b7c5f69508d2b30","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2023-01-16T12:49:25Z","title_canon_sha256":"dcacf2d0babd679ecf5ae677c6271e69dd2394fcdafa438161039877f5fabf11"},"schema_version":"1.0","source":{"id":"2301.06406","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.06406","created_at":"2026-07-05T05:33:31Z"},{"alias_kind":"arxiv_version","alias_value":"2301.06406v1","created_at":"2026-07-05T05:33:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.06406","created_at":"2026-07-05T05:33:31Z"},{"alias_kind":"pith_short_12","alias_value":"CF6L4IEWPU7Y","created_at":"2026-07-05T05:33:31Z"},{"alias_kind":"pith_short_16","alias_value":"CF6L4IEWPU7YINVU","created_at":"2026-07-05T05:33:31Z"},{"alias_kind":"pith_short_8","alias_value":"CF6L4IEW","created_at":"2026-07-05T05:33:31Z"}],"graph_snapshots":[{"event_id":"sha256:6c9d8cef7e4fbcde5ee9218157a6b9a40d5b143a27070d14882d89209615a1b0","target":"graph","created_at":"2026-07-05T05:33:31Z","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/2301.06406/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Ear EEG based driver fatigue monitoring systems have the potential to provide a seamless, efficient, and feasibly deployable alternative to existing scalp EEG based systems, which are often cumbersome and impractical. However, the feasibility of detecting the relevant delta, theta, alpha, and beta band EEG activity through the ear EEG is yet to be investigated. Through measurements of scalp and ear EEG on ten subjects during a simulated, monotonous driving experiment, this study provides statistical analysis of characteristic ear EEG changes that are associated with the transition from alert t","authors_text":"Danilo P. Mandic, Harry Davies, Metin C. Yarici, Nico Lingg, Pierluigi Amadori, Takashi Nakamura, Yiannis Demiris","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2023-01-16T12:49:25Z","title":"Hearables: Ear EEG Based Driver Fatigue Detection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.06406","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:d9a972ea37ae6e714dc9105f1fb1793b2c5d9a17e3ebd07afaf27d565a860a60","target":"record","created_at":"2026-07-05T05:33:31Z","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":"9a1ad9d33c0c3dff97b86b5bf79e7cc76ee2922ae3853df08b7c5f69508d2b30","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2023-01-16T12:49:25Z","title_canon_sha256":"dcacf2d0babd679ecf5ae677c6271e69dd2394fcdafa438161039877f5fabf11"},"schema_version":"1.0","source":{"id":"2301.06406","kind":"arxiv","version":1}},"canonical_sha256":"117cbe20967d3f8436b43d3e06ade28bc142922197fbcffb6a1a9ac94c4be018","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"117cbe20967d3f8436b43d3e06ade28bc142922197fbcffb6a1a9ac94c4be018","first_computed_at":"2026-07-05T05:33:31.290521Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:33:31.290521Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sje8Shj+0/RuXrcGPVShCoXoTo1tP1uRxGCeo6S9RAsA4tiXJVQRJ7Gs5oD8+5NgtKHTKXd6AJ4/zvbTOe/FBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:33:31.290973Z","signed_message":"canonical_sha256_bytes"},"source_id":"2301.06406","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d9a972ea37ae6e714dc9105f1fb1793b2c5d9a17e3ebd07afaf27d565a860a60","sha256:6c9d8cef7e4fbcde5ee9218157a6b9a40d5b143a27070d14882d89209615a1b0"],"state_sha256":"ec98d7a114e202aec0ceb7e4b17347ceadda3b6c09d657fc6d64af90f2ff0923"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cL0rG8uCElAG2YWDg6myddldcKLgYEQzejNEnmmIVhf7OI3r3m+MNbRT87sEZmrMMx8ChzULj1C97lqxgg9IBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T21:15:17.218138Z","bundle_sha256":"13b30dda0a7d8effff0c758ada9796a1e199747deb78c3ab7477a8f324b9fe44"}}