{"id":"W2356891406","doi":"","title":"Negative Carbon Isotope Excursion in the Base Cambrian of Guizhou Province,China: Implication for Biological and Stratigraphical Significance","year":2005,"lang":"en","type":"article","venue":"Acta Geological Sinica","topic":"Paleontology and Stratigraphy of Fossils","field":"Earth and Planetary Sciences","cited_by":8,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Geology; Excursion; Dolostone; Paleontology; Chemostratigraphy; Geochemistry; Lithology; Isotopes of carbon; Oil shale; Sedimentary rock; Carbonate rock; Total organic carbon","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0007285944,0.0001578873,0.0002840039,0.00005054615,0.000134959,0.00001915303,0.0003248477,0.0002554361,0.00006779567],"category_scores_gemma":[0.0003671998,0.0000881397,0.00008096908,0.0001988628,0.0007150953,0.0001064037,0.000004628361,0.00025668,8.99024e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000002101151,"about_ca_system_score_gemma":0.00004930683,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0005647813,"about_ca_topic_score_gemma":0.005685674,"domain_scores_codex":[0.99845,0.0003181458,0.0003919252,0.0003945056,0.0001332064,0.0003121712],"domain_scores_gemma":[0.9982001,0.001320624,0.0001613923,0.0002051482,0.0000296424,0.00008305362],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0004953784,0.0001705341,0.9050843,0.00001225002,0.00001546587,0.00000668851,0.0002420824,0.00002647636,0.001195794,0.001938946,0.00007318824,0.09073886],"study_design_scores_gemma":[0.0004408326,0.0009950483,0.9914261,0.000009149317,0.00001130319,0.00001074706,0.0001169863,0.001696816,0.0002160716,0.004639415,0.0003124677,0.0001250933],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9846933,0.0008732527,0.00004061532,0.005894218,0.00003036708,0.0007094759,0.00004755932,0.00001602034,0.007695171],"genre_scores_gemma":[0.9980274,0.0001574363,0.001576675,0.0001300718,0.00006673527,0.00001864219,0.00001699533,6.559689e-7,0.000005334521],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.09061377,"threshold_uncertainty_score":0.3594233,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02552940877095925,"score_gpt":0.2510054714668544,"score_spread":0.2254760626958951,"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."}}