{"id":"W1541988658","doi":"10.1126/science.aaa9114","title":"A Hadean to Paleoarchean geodynamo recorded by single zircon crystals","year":2015,"lang":"en","type":"article","venue":"Science","topic":"Geomagnetism and Paleomagnetism Studies","field":"Biochemistry, Genetics and Molecular Biology","cited_by":282,"is_retracted":false,"has_abstract":true,"ca_institutions":"Geological Survey of Canada","funders":"National Science Foundation","keywords":"Hadean; Zircon; Planet; Astrobiology; Geology; Early Earth; Paleomagnetism; Billion years; Paleontology; Geophysics; Earth science; Astronomy; Physics","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":[0.0005055999,0.000139397,0.0001162535,0.00006052234,0.0001659863,0.00006640398,0.0004420553,0.00005393379,0.0000184428],"category_scores_gemma":[0.0003347681,0.0001306154,0.00003309291,0.0003332114,0.0004290487,0.000009531409,0.0002884278,0.00005078747,0.00006820172],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001590507,"about_ca_system_score_gemma":0.0001327365,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0000459771,"about_ca_topic_score_gemma":0.0001746647,"domain_scores_codex":[0.9985321,0.00003326039,0.0001493893,0.0005154277,0.0003024428,0.0004674196],"domain_scores_gemma":[0.9990553,0.000007561716,0.00004097902,0.00038348,0.0001532474,0.0003594021],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.00001944563,0.00003752904,0.001684308,0.000003453028,0.000002750911,0.000002104533,0.0002753309,0.00001043317,0.9720991,0.00001048024,0.02040906,0.005446015],"study_design_scores_gemma":[0.0009360274,0.003789415,0.010931,0.00002398699,0.00001320736,0.00003297702,0.001132165,0.00004646015,0.4975678,0.0005042008,0.484323,0.0006997581],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9802585,0.001369159,0.001361464,0.001045017,0.0003722028,0.0002148708,0.00002890871,0.00002482984,0.01532506],"genre_scores_gemma":[0.9921978,0.00003274814,0.003042123,0.0005714116,0.0001062863,0.000020576,0.0000195895,0.00001026215,0.003999213],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.4745313,"threshold_uncertainty_score":0.532634,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0211207100907095,"score_gpt":0.2584565341027965,"score_spread":0.237335824012087,"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."}}