{"id":"W2185235698","doi":"","title":"Chiral Analyses of Organic Compounds in Carbonaceous Meteorites","year":2004,"lang":"en","type":"article","venue":"NASA STI Repository (National Aeronautics and Space Administration)","topic":"Isotope Analysis in Ecology","field":"Environmental Science","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"National Aeronautics and Space Administration","keywords":"Meteorite; Murchison meteorite; Homochirality; Astrobiology; Carbonaceous chondrite; Enantiomer; Chondrite; Parent body; Earth (classical element); Chemistry; Abiogenesis; Early Earth; Environmental chemistry; Geology; Organic chemistry; Physics","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":[0.0002045867,0.0001343492,0.0002148617,0.00008479835,0.00012337,0.00003157756,0.0001331728,0.00008800998,0.0001164844],"category_scores_gemma":[0.00009727215,0.0001332604,0.00005016449,0.0003210279,0.0002679588,0.00015098,0.00007200939,0.0001204185,0.00001177482],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002683004,"about_ca_system_score_gemma":0.0001474574,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000138111,"about_ca_topic_score_gemma":0.001534426,"domain_scores_codex":[0.9986634,0.00005257095,0.0003890342,0.0002783848,0.0004545944,0.0001620266],"domain_scores_gemma":[0.9994685,0.0001095712,0.0001706432,0.0001351109,0.00005054757,0.00006563057],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00009256898,0.0009149991,0.6537218,0.00002917179,0.0001647016,0.00008832801,0.0004796479,0.02473881,0.2876041,0.03184646,0.0001600966,0.0001592951],"study_design_scores_gemma":[0.0008840793,0.0004243777,0.9488751,0.00001410329,0.00008081239,0.0001206117,0.0001305678,0.001624928,0.03839847,0.008624655,0.000534925,0.000287374],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9836977,0.00007780722,0.0002412637,0.0006434286,0.00007962023,0.0001106707,0.000004730764,0.00001306715,0.01513173],"genre_scores_gemma":[0.9956467,0.00001430933,0.003479442,0.00008183531,0.00003428891,0.000008633505,0.00002022294,0.000008345362,0.0007062138],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2951533,"threshold_uncertainty_score":0.5434203,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01634378700573359,"score_gpt":0.2758797899398762,"score_spread":0.2595360029341426,"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."}}