{"id":"W4417100829","doi":"10.1029/2025gl118030","title":"A &gt;70‐Myr‐Long Geomagnetic Field Reversal Hyperactivity Across the Ediacaran‐Cambrian Transition","year":2025,"lang":"en","type":"article","venue":"Geophysical Research Letters","topic":"Geomagnetism and Paleomagnetism Studies","field":"Biochemistry, Genetics and Molecular Biology","cited_by":4,"is_retracted":false,"has_abstract":true,"ca_institutions":"Western University","funders":"Natural Sciences and Engineering Research Council of Canada; National Natural Science Foundation of China; National Key Research and Development Program of China; National Science and Technology Major Project; Yale University","keywords":"Earth's magnetic field; Geomagnetic reversal; Dynamo theory; Magnetostratigraphy; Paleomagnetism; Secular variation","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001416652,0.0001199484,0.0001676208,0.0005969586,0.0004780459,0.0005193707,0.0001519771,0.0001517742,0.001263601],"category_scores_gemma":[0.0002622256,0.00007345813,0.00007570619,0.0006106488,0.0004357425,0.0001022551,0.0003085078,0.0002186784,0.0001643817],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001492223,"about_ca_system_score_gemma":0.0005774623,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.132636,"about_ca_topic_score_gemma":0.1887164,"domain_scores_codex":[0.999947,0.000002979552,0.000002371134,0.00001689413,0.000009377004,0.00002132846],"domain_scores_gemma":[0.9998631,0.0000105357,0.00004564497,0.000009006013,0.00004046544,0.00003125633],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002576077,0.00002521039,0.8420376,0.00007425895,0.00008553285,0.000369215,0.001225518,0.0007685879,0.1235685,0.0008649118,0.000844972,0.02987815],"study_design_scores_gemma":[8.910099e-7,0.000006788891,0.9982362,0.000002363456,0.000003973085,0.00003322318,0.00008586411,0.00006111517,0.0007817723,0.00001440849,0.000772331,0.000001140118],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9972374,0.0003150337,0.0002288885,0.00006329644,0.000003068867,0.000004575927,0.0004144029,0.00002607982,0.001707197],"genre_scores_gemma":[0.9993487,0.00007449694,0.00007061366,0.00001752387,0.000002189274,0.000001697857,0.0001739225,0.000002239539,0.0003086726],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.132636,"threshold_uncertainty_score":0.263728,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01367246491109032,"score_gpt":0.3088362830885183,"score_spread":0.295163818177428,"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."}}