{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:H4DW3PMP7XBB3PTXZ5NBDS6PNF","short_pith_number":"pith:H4DW3PMP","canonical_record":{"source":{"id":"2504.14807","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-04-21T02:15:37Z","cross_cats_sorted":["cs.HC","cs.LG"],"title_canon_sha256":"87cd49a091a6e5d83b07ed2581c41431e25f83005603a3a45ff530e2f83ea285","abstract_canon_sha256":"43484d40e3e052e5719c165c3fa3ac91869bbd9311235e21121dbc05d4d2aec3"},"schema_version":"1.0"},"canonical_sha256":"3f076dbd8ffdc21dbe77cf5a11cbcf6946b9b2d8a4d6a001043387237949318b","source":{"kind":"arxiv","id":"2504.14807","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.14807","created_at":"2026-07-05T10:51:50Z"},{"alias_kind":"arxiv_version","alias_value":"2504.14807v1","created_at":"2026-07-05T10:51:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.14807","created_at":"2026-07-05T10:51:50Z"},{"alias_kind":"pith_short_12","alias_value":"H4DW3PMP7XBB","created_at":"2026-07-05T10:51:50Z"},{"alias_kind":"pith_short_16","alias_value":"H4DW3PMP7XBB3PTX","created_at":"2026-07-05T10:51:50Z"},{"alias_kind":"pith_short_8","alias_value":"H4DW3PMP","created_at":"2026-07-05T10:51:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:H4DW3PMP7XBB3PTXZ5NBDS6PNF","target":"record","payload":{"canonical_record":{"source":{"id":"2504.14807","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-04-21T02:15:37Z","cross_cats_sorted":["cs.HC","cs.LG"],"title_canon_sha256":"87cd49a091a6e5d83b07ed2581c41431e25f83005603a3a45ff530e2f83ea285","abstract_canon_sha256":"43484d40e3e052e5719c165c3fa3ac91869bbd9311235e21121dbc05d4d2aec3"},"schema_version":"1.0"},"canonical_sha256":"3f076dbd8ffdc21dbe77cf5a11cbcf6946b9b2d8a4d6a001043387237949318b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:51:50.763309Z","signature_b64":"rrVtXxMRVKwJUiV7nS/3gb5zVXHJKdr++aUadFOvJx2dnYTtusaqG/rCuHTuyjr5l4r+UWOTtLbOQFDu5GKcCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3f076dbd8ffdc21dbe77cf5a11cbcf6946b9b2d8a4d6a001043387237949318b","last_reissued_at":"2026-07-05T10:51:50.762884Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:51:50.762884Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.14807","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":"2026-07-05T10:51:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MO6uwhQNPMTBZ8hX9RKad6qTHh5aHUsf93dnhSylLCEsK2fexvvFF8JzSYgVPHB1tlObk4iV/5d5Gn52L/piBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T12:24:11.809312Z"},"content_sha256":"04c57b1ae736fdca40b57d11994c197d9e5ab080537eb781faa0d12e421a54a3","schema_version":"1.0","event_id":"sha256:04c57b1ae736fdca40b57d11994c197d9e5ab080537eb781faa0d12e421a54a3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:H4DW3PMP7XBB3PTXZ5NBDS6PNF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Real-Time Sleepiness Detection for Driver State Monitoring System","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.HC","cs.LG"],"primary_cat":"cs.CV","authors_text":"Deepak Ghimire, Juhwan Choi, Sanghyun Park, Sunghwan Jeong, Sunhong Yoon","submitted_at":"2025-04-21T02:15:37Z","abstract_excerpt":"A driver face monitoring system can detect driver fatigue, which is a significant factor in many accidents, using computer vision techniques. In this paper, we present a real-time technique for driver eye state detection. First, the face is detected, and the eyes are located within the face region for tracking. A normalized cross-correlation-based online dynamic template matching technique, combined with Kalman filter tracking, is proposed to track the detected eye positions in subsequent image frames. A support vector machine with histogram of oriented gradients (HOG) features is used to clas"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.14807","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/2504.14807/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":"2026-07-05T10:51:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ueqvMkmJRzuS1rJZ/AZVE94WdXlnfWvxYGeEd7sZS6sNUthTz6+/vYC+9hu7iAxmDiUg4A5+PcKSgcpso7AVDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T12:24:11.810254Z"},"content_sha256":"40fd8f14928f2990687a934f9e7119a0791f28375ee7f293a5705dc6e171f1fa","schema_version":"1.0","event_id":"sha256:40fd8f14928f2990687a934f9e7119a0791f28375ee7f293a5705dc6e171f1fa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H4DW3PMP7XBB3PTXZ5NBDS6PNF/bundle.json","state_url":"https://pith.science/pith/H4DW3PMP7XBB3PTXZ5NBDS6PNF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H4DW3PMP7XBB3PTXZ5NBDS6PNF/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":"2026-08-04T12:24:11Z","links":{"resolver":"https://pith.science/pith/H4DW3PMP7XBB3PTXZ5NBDS6PNF","bundle":"https://pith.science/pith/H4DW3PMP7XBB3PTXZ5NBDS6PNF/bundle.json","state":"https://pith.science/pith/H4DW3PMP7XBB3PTXZ5NBDS6PNF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H4DW3PMP7XBB3PTXZ5NBDS6PNF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:H4DW3PMP7XBB3PTXZ5NBDS6PNF","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":"43484d40e3e052e5719c165c3fa3ac91869bbd9311235e21121dbc05d4d2aec3","cross_cats_sorted":["cs.HC","cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-04-21T02:15:37Z","title_canon_sha256":"87cd49a091a6e5d83b07ed2581c41431e25f83005603a3a45ff530e2f83ea285"},"schema_version":"1.0","source":{"id":"2504.14807","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.14807","created_at":"2026-07-05T10:51:50Z"},{"alias_kind":"arxiv_version","alias_value":"2504.14807v1","created_at":"2026-07-05T10:51:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.14807","created_at":"2026-07-05T10:51:50Z"},{"alias_kind":"pith_short_12","alias_value":"H4DW3PMP7XBB","created_at":"2026-07-05T10:51:50Z"},{"alias_kind":"pith_short_16","alias_value":"H4DW3PMP7XBB3PTX","created_at":"2026-07-05T10:51:50Z"},{"alias_kind":"pith_short_8","alias_value":"H4DW3PMP","created_at":"2026-07-05T10:51:50Z"}],"graph_snapshots":[{"event_id":"sha256:40fd8f14928f2990687a934f9e7119a0791f28375ee7f293a5705dc6e171f1fa","target":"graph","created_at":"2026-07-05T10:51:50Z","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/2504.14807/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A driver face monitoring system can detect driver fatigue, which is a significant factor in many accidents, using computer vision techniques. In this paper, we present a real-time technique for driver eye state detection. First, the face is detected, and the eyes are located within the face region for tracking. A normalized cross-correlation-based online dynamic template matching technique, combined with Kalman filter tracking, is proposed to track the detected eye positions in subsequent image frames. A support vector machine with histogram of oriented gradients (HOG) features is used to clas","authors_text":"Deepak Ghimire, Juhwan Choi, Sanghyun Park, Sunghwan Jeong, Sunhong Yoon","cross_cats":["cs.HC","cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-04-21T02:15:37Z","title":"Real-Time Sleepiness Detection for Driver State Monitoring System"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.14807","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":"sha256:04c57b1ae736fdca40b57d11994c197d9e5ab080537eb781faa0d12e421a54a3","target":"record","created_at":"2026-07-05T10:51:50Z","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":"43484d40e3e052e5719c165c3fa3ac91869bbd9311235e21121dbc05d4d2aec3","cross_cats_sorted":["cs.HC","cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-04-21T02:15:37Z","title_canon_sha256":"87cd49a091a6e5d83b07ed2581c41431e25f83005603a3a45ff530e2f83ea285"},"schema_version":"1.0","source":{"id":"2504.14807","kind":"arxiv","version":1}},"canonical_sha256":"3f076dbd8ffdc21dbe77cf5a11cbcf6946b9b2d8a4d6a001043387237949318b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3f076dbd8ffdc21dbe77cf5a11cbcf6946b9b2d8a4d6a001043387237949318b","first_computed_at":"2026-07-05T10:51:50.762884Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:51:50.762884Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rrVtXxMRVKwJUiV7nS/3gb5zVXHJKdr++aUadFOvJx2dnYTtusaqG/rCuHTuyjr5l4r+UWOTtLbOQFDu5GKcCg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:51:50.763309Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.14807","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:04c57b1ae736fdca40b57d11994c197d9e5ab080537eb781faa0d12e421a54a3","sha256:40fd8f14928f2990687a934f9e7119a0791f28375ee7f293a5705dc6e171f1fa"],"state_sha256":"dac6edd4da94f852e28ccff9a788e7e569babf7ec8c11cf14fb01594a061de24"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1O/iVZMNbQWm6wdXTJ8g6icBwe6nBRAbsWFjJt1CxvDJ1gGobs6TkRpDDXGz8XunRQi44G8MnHzUHJSAwsGaBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T12:24:11.868921Z","bundle_sha256":"eee29a4280cc3abba5ea265ec8b4a57492cefaae2afa22f50e07ac4e6f99d943"}}