{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:44QS7IJ7CT7MYQKALU6MF6FJBB","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":"4c12e307d36a1d69e53570dd13c0ac2b20779fed0188909880b3776b576df478","cross_cats_sorted":["cs.CV","eess.IV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2021-09-21T15:46:42Z","title_canon_sha256":"326b708ef27d8d2780dcc8c47a1019683f28ea22710e47d3f42b723c03ff3702"},"schema_version":"1.0","source":{"id":"2109.10266","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.10266","created_at":"2026-07-05T03:16:27Z"},{"alias_kind":"arxiv_version","alias_value":"2109.10266v1","created_at":"2026-07-05T03:16:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.10266","created_at":"2026-07-05T03:16:27Z"},{"alias_kind":"pith_short_12","alias_value":"44QS7IJ7CT7M","created_at":"2026-07-05T03:16:27Z"},{"alias_kind":"pith_short_16","alias_value":"44QS7IJ7CT7MYQKA","created_at":"2026-07-05T03:16:27Z"},{"alias_kind":"pith_short_8","alias_value":"44QS7IJ7","created_at":"2026-07-05T03:16:27Z"}],"graph_snapshots":[{"event_id":"sha256:39dbdfca2294f0d06e6d90695a450724ceabf35b64c65a04fa662cf93b446b7c","target":"graph","created_at":"2026-07-05T03:16:27Z","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/2109.10266/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Alzheimer's Disease Assessment Scale-Cognitive subscale (ADAS-Cog) is a neuropsychological tool that has been designed to assess the severity of cognitive symptoms of dementia. Personalized prediction of the changes in ADAS-Cog scores could help in timing therapeutic interventions in dementia and at-risk populations. In the present work, we compared single and multitask learning approaches to predict the changes in ADAS-Cog scores based on T1-weighted anatomical magnetic resonance imaging (MRI). In contrast to most machine learning-based prediction methods ADAS-Cog changes, we stratified t","authors_text":"Jussi Tohka, Marzieh Zare, Mithilesh Prakash, Vandad Imani","cross_cats":["cs.CV","eess.IV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2021-09-21T15:46:42Z","title":"Comparison of single and multitask learning for predicting cognitive decline based on MRI data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.10266","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:a765cb31d8ab0272d392b945189a9db5cd040e33c1bfb82d5e2877394f2cd562","target":"record","created_at":"2026-07-05T03:16:27Z","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":"4c12e307d36a1d69e53570dd13c0ac2b20779fed0188909880b3776b576df478","cross_cats_sorted":["cs.CV","eess.IV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2021-09-21T15:46:42Z","title_canon_sha256":"326b708ef27d8d2780dcc8c47a1019683f28ea22710e47d3f42b723c03ff3702"},"schema_version":"1.0","source":{"id":"2109.10266","kind":"arxiv","version":1}},"canonical_sha256":"e7212fa13f14fecc41405d3cc2f8a908724e3c9ccb508a9dcab18cfa72d2d4ad","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e7212fa13f14fecc41405d3cc2f8a908724e3c9ccb508a9dcab18cfa72d2d4ad","first_computed_at":"2026-07-05T03:16:27.420143Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:16:27.420143Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nUxjDP35eH+gQbxiReNfK4gCDk2+fsgrPM8xbA7tXd8Sbo2Bb0VJ8KEH5SnlvQJErsFUAiifU1ARQPaOVlOJDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:16:27.420534Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.10266","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a765cb31d8ab0272d392b945189a9db5cd040e33c1bfb82d5e2877394f2cd562","sha256:39dbdfca2294f0d06e6d90695a450724ceabf35b64c65a04fa662cf93b446b7c"],"state_sha256":"81c91f73e22627a0af1cba8512fb464215292a59657036fdc50b48261286a4ff"}