{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:E3CGCCV6PLXZBR7LJDL4HROCY6","short_pith_number":"pith:E3CGCCV6","canonical_record":{"source":{"id":"1906.07899","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"q-bio.NC","submitted_at":"2019-06-19T03:43:39Z","cross_cats_sorted":["cs.LG","eess.SP"],"title_canon_sha256":"67254204b6324244df42c45657472b797a47227fca807d585dee4a4960e1d5b5","abstract_canon_sha256":"1cb87e8a20bd24863be6e23217ee91f8a2bacc76f2f53d7baaef0ac904640d32"},"schema_version":"1.0"},"canonical_sha256":"26c4610abe7aef90c7eb48d7c3c5c2c79d42edf8135b92e17bde64d3d4068129","source":{"kind":"arxiv","id":"1906.07899","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.07899","created_at":"2026-05-17T23:42:57Z"},{"alias_kind":"arxiv_version","alias_value":"1906.07899v1","created_at":"2026-05-17T23:42:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.07899","created_at":"2026-05-17T23:42:57Z"},{"alias_kind":"pith_short_12","alias_value":"E3CGCCV6PLXZ","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"E3CGCCV6PLXZBR7L","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"E3CGCCV6","created_at":"2026-05-18T12:33:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:E3CGCCV6PLXZBR7LJDL4HROCY6","target":"record","payload":{"canonical_record":{"source":{"id":"1906.07899","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"q-bio.NC","submitted_at":"2019-06-19T03:43:39Z","cross_cats_sorted":["cs.LG","eess.SP"],"title_canon_sha256":"67254204b6324244df42c45657472b797a47227fca807d585dee4a4960e1d5b5","abstract_canon_sha256":"1cb87e8a20bd24863be6e23217ee91f8a2bacc76f2f53d7baaef0ac904640d32"},"schema_version":"1.0"},"canonical_sha256":"26c4610abe7aef90c7eb48d7c3c5c2c79d42edf8135b92e17bde64d3d4068129","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:42:57.367375Z","signature_b64":"1b3rzEjWp114GDvxC3DjyIEBqLqFtSV1uAE/eUu36/ilTPw3yh5WKdZxXec7C36j88YklfaOhm3SycPChY6qDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"26c4610abe7aef90c7eb48d7c3c5c2c79d42edf8135b92e17bde64d3d4068129","last_reissued_at":"2026-05-17T23:42:57.366678Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:42:57.366678Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.07899","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":"2026-05-17T23:42:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pa3Vs+MODTLoADb2w5qh1KZNpQ8pwK/UMRSwFK/STlvvWIM2G2mxNHkmURi/7FfOIJW/hRFFqELStVL5AgpTAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T05:22:17.566060Z"},"content_sha256":"fa21210a3a37dcae068578665aa2279ec9cc259ae691990990a1ea28ef743685","schema_version":"1.0","event_id":"sha256:fa21210a3a37dcae068578665aa2279ec9cc259ae691990990a1ea28ef743685"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:E3CGCCV6PLXZBR7LJDL4HROCY6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Brain correlates of task-load and dementia elucidation with tensor machine learning using oddball BCI paradigm","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["cs.LG","eess.SP"],"primary_cat":"q-bio.NC","authors_text":"Marcin Koculak, Masato S. Abe, Mihoko Otake-Matsuura, Tomasz M. Rutkowski","submitted_at":"2019-06-19T03:43:39Z","abstract_excerpt":"Dementia in the elderly has recently become the most usual cause of cognitive decline. The proliferation of dementia cases in aging societies creates a remarkable economic as well as medical problems in many communities worldwide. A recently published report by The World Health Organization (WHO) estimates that about 47 million people are suffering from dementia-related neurocognitive declines worldwide. The number of dementia cases is predicted by 2050 to triple, which requires the creation of an AI-based technology application to support interventions with early screening for subsequent ment"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.07899","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":"2026-05-17T23:42:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pTfQ+C8P/ke5DaYGZPWR9CQUnl35+QyKZzHPBJG11XUzLMM+KSupambHJ7mwi1gz2/qwRoW8DSnrjs2jvwGpBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T05:22:17.566425Z"},"content_sha256":"e7a3b72b79df0f65db2828611cceef1dbe0c05389129c67b4c30fbe873ef3d00","schema_version":"1.0","event_id":"sha256:e7a3b72b79df0f65db2828611cceef1dbe0c05389129c67b4c30fbe873ef3d00"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E3CGCCV6PLXZBR7LJDL4HROCY6/bundle.json","state_url":"https://pith.science/pith/E3CGCCV6PLXZBR7LJDL4HROCY6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E3CGCCV6PLXZBR7LJDL4HROCY6/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":"2026-06-24T05:22:17Z","links":{"resolver":"https://pith.science/pith/E3CGCCV6PLXZBR7LJDL4HROCY6","bundle":"https://pith.science/pith/E3CGCCV6PLXZBR7LJDL4HROCY6/bundle.json","state":"https://pith.science/pith/E3CGCCV6PLXZBR7LJDL4HROCY6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E3CGCCV6PLXZBR7LJDL4HROCY6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:E3CGCCV6PLXZBR7LJDL4HROCY6","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":"1cb87e8a20bd24863be6e23217ee91f8a2bacc76f2f53d7baaef0ac904640d32","cross_cats_sorted":["cs.LG","eess.SP"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"q-bio.NC","submitted_at":"2019-06-19T03:43:39Z","title_canon_sha256":"67254204b6324244df42c45657472b797a47227fca807d585dee4a4960e1d5b5"},"schema_version":"1.0","source":{"id":"1906.07899","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.07899","created_at":"2026-05-17T23:42:57Z"},{"alias_kind":"arxiv_version","alias_value":"1906.07899v1","created_at":"2026-05-17T23:42:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.07899","created_at":"2026-05-17T23:42:57Z"},{"alias_kind":"pith_short_12","alias_value":"E3CGCCV6PLXZ","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"E3CGCCV6PLXZBR7L","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"E3CGCCV6","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:e7a3b72b79df0f65db2828611cceef1dbe0c05389129c67b4c30fbe873ef3d00","target":"graph","created_at":"2026-05-17T23:42:57Z","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":"Dementia in the elderly has recently become the most usual cause of cognitive decline. The proliferation of dementia cases in aging societies creates a remarkable economic as well as medical problems in many communities worldwide. A recently published report by The World Health Organization (WHO) estimates that about 47 million people are suffering from dementia-related neurocognitive declines worldwide. The number of dementia cases is predicted by 2050 to triple, which requires the creation of an AI-based technology application to support interventions with early screening for subsequent ment","authors_text":"Marcin Koculak, Masato S. Abe, Mihoko Otake-Matsuura, Tomasz M. Rutkowski","cross_cats":["cs.LG","eess.SP"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"q-bio.NC","submitted_at":"2019-06-19T03:43:39Z","title":"Brain correlates of task-load and dementia elucidation with tensor machine learning using oddball BCI paradigm"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.07899","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:fa21210a3a37dcae068578665aa2279ec9cc259ae691990990a1ea28ef743685","target":"record","created_at":"2026-05-17T23:42:57Z","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":"1cb87e8a20bd24863be6e23217ee91f8a2bacc76f2f53d7baaef0ac904640d32","cross_cats_sorted":["cs.LG","eess.SP"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"q-bio.NC","submitted_at":"2019-06-19T03:43:39Z","title_canon_sha256":"67254204b6324244df42c45657472b797a47227fca807d585dee4a4960e1d5b5"},"schema_version":"1.0","source":{"id":"1906.07899","kind":"arxiv","version":1}},"canonical_sha256":"26c4610abe7aef90c7eb48d7c3c5c2c79d42edf8135b92e17bde64d3d4068129","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"26c4610abe7aef90c7eb48d7c3c5c2c79d42edf8135b92e17bde64d3d4068129","first_computed_at":"2026-05-17T23:42:57.366678Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:42:57.366678Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1b3rzEjWp114GDvxC3DjyIEBqLqFtSV1uAE/eUu36/ilTPw3yh5WKdZxXec7C36j88YklfaOhm3SycPChY6qDQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:42:57.367375Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.07899","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fa21210a3a37dcae068578665aa2279ec9cc259ae691990990a1ea28ef743685","sha256:e7a3b72b79df0f65db2828611cceef1dbe0c05389129c67b4c30fbe873ef3d00"],"state_sha256":"a4949ba3f5d07e5f66be746fc29b3bd6cfdf8a2a6e875da2f1089800a264affa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SYBj7TUWqyMXC1Kj+71Ux4b7U14VK9Dl9auMg1AcmrfAaTqx0MLWmF67A97YtJCuPUfzcUXLDHHFe11fTgD7Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T05:22:17.568365Z","bundle_sha256":"9b681cf59fb5c0c72a7d11c52c240b346f1baf47cafa0d8f6886a5b1990f7806"}}