{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:HKVYLHU5CGSGGJEO4H5ZL2VVBV","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":"d573a70c41512eeb252be962612a2bb6fc5f0c6637ae1d37dab538a0cd633984","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2018-09-13T08:53:14Z","title_canon_sha256":"acc657a24cd21a9152b38bf88169c68cfa781b127fd5dbed0d1ce95c1ca6c314"},"schema_version":"1.0","source":{"id":"1809.04838","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.04838","created_at":"2026-05-18T00:05:47Z"},{"alias_kind":"arxiv_version","alias_value":"1809.04838v1","created_at":"2026-05-18T00:05:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.04838","created_at":"2026-05-18T00:05:47Z"},{"alias_kind":"pith_short_12","alias_value":"HKVYLHU5CGSG","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HKVYLHU5CGSGGJEO","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HKVYLHU5","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:0336451892683211dedddd23879bb7feb299e8db39124a8c197e38fa337186c3","target":"graph","created_at":"2026-05-18T00:05:47Z","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":"This paper describes our efforts in predicting current and future psychological health from childhood essays within the scope of the CLPsych-2018 Shared Task. We experimented with a number of different models, including recurrent and convolutional networks, Poisson regression, support vector regression, and L1 and L2 regularized linear regression. We obtained the best results on the training/development data with L2 regularized linear regression (ridge regression) which also got the best scores on main metrics in the official testing for task A (predicting psychological health from essays writ","authors_text":"\\c{C}a\\u{g}r{\\i} \\c{C}\\\"oltekin, Taraka Rama","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2018-09-13T08:53:14Z","title":"T\\\"ubingen-Oslo system: Linear regression works the best at Predicting Current and Future Psychological Health from Childhood Essays in the CLPsych 2018 Shared Task"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.04838","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:a93708619bd44c5b6b67fff29d727b2cfba90ac884d8e3bbe595389a51e55f3d","target":"record","created_at":"2026-05-18T00:05:47Z","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":"d573a70c41512eeb252be962612a2bb6fc5f0c6637ae1d37dab538a0cd633984","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2018-09-13T08:53:14Z","title_canon_sha256":"acc657a24cd21a9152b38bf88169c68cfa781b127fd5dbed0d1ce95c1ca6c314"},"schema_version":"1.0","source":{"id":"1809.04838","kind":"arxiv","version":1}},"canonical_sha256":"3aab859e9d11a463248ee1fb95eab50d46ba88615a852c70b5607a378c5aeade","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3aab859e9d11a463248ee1fb95eab50d46ba88615a852c70b5607a378c5aeade","first_computed_at":"2026-05-18T00:05:47.367951Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:47.367951Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dE+tjY+GzfOumtP9cuBupfl3GkPbQCCAoZIR3gluUqmnPNFZQsEMLn9h+KUftBERms5eA4w9uhVlh5gZFYcVDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:47.368493Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.04838","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a93708619bd44c5b6b67fff29d727b2cfba90ac884d8e3bbe595389a51e55f3d","sha256:0336451892683211dedddd23879bb7feb299e8db39124a8c197e38fa337186c3"],"state_sha256":"f1aa76561e3f41bb421abe93632efa384b6ed539a29f7e68cbccf90da752397d"}