{"id":"W4409482211","doi":"10.1038/s41561-025-01681-9","title":"Transient marine bottom water oxygenation on continental shelves by 2.65 billion years ago","year":2025,"lang":"en","type":"article","venue":"Nature Geoscience","topic":"Paleontology and Stratigraphy of Fossils","field":"Earth and Planetary Sciences","cited_by":8,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Waterloo","funders":"Alfred P. Sloan Foundation; National Aeronautics and Space Administration","keywords":"Oceanography; Transient (computer programming); Bottom water; Geology; Continental shelf; Oxygenation; Environmental science; Medicine; Internal medicine","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003005254,0.0001290969,0.0001276041,0.0001715971,0.000225349,0.00006080427,0.0003006503,0.0002310102,0.0002328898],"category_scores_gemma":[0.0000243002,0.00008758407,0.00006483052,0.0003425287,0.0002155743,0.0002011667,0.000003156772,0.0004384631,0.00003153135],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000003830499,"about_ca_system_score_gemma":0.00003143158,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0003211082,"about_ca_topic_score_gemma":0.001352635,"domain_scores_codex":[0.9987748,0.00005332948,0.0001559373,0.000376938,0.0003015445,0.0003374549],"domain_scores_gemma":[0.9996576,0.00006113987,0.00003115203,0.0001475828,0.00002819337,0.00007436584],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.000203913,0.0001109174,0.6623307,0.00002256502,0.00002834887,0.00003759832,0.0004313925,0.0000535814,0.007264503,0.00109356,0.01084074,0.3175822],"study_design_scores_gemma":[0.0002605969,0.0001010202,0.9854839,0.0000140888,0.000007142932,0.000004274525,0.00003103613,0.0005600522,0.001548062,0.0006737424,0.01119686,0.0001192575],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9575081,0.00109877,0.0001205401,0.002283359,0.001062232,0.0001497777,0.00006248465,0.00004724268,0.03766753],"genre_scores_gemma":[0.9978816,0.000059286,0.0002927989,0.0007516025,0.0000327906,0.000001383905,0.00006615666,5.605065e-7,0.000913806],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3231532,"threshold_uncertainty_score":0.3571575,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0037781939578101,"score_gpt":0.2106371698425395,"score_spread":0.2068589758847294,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}