{"id":"W2057579886","doi":"10.1038/nature14268","title":"New cosmogenic burial ages for Sterkfontein Member 2 Australopithecus and Member 5 Oldowan","year":2015,"lang":"en","type":"article","venue":"Nature","topic":"Pleistocene-Era Hominins and Archaeology","field":"Social Sciences","cited_by":230,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of New Brunswick","funders":"National Research Foundation; PAST; Purdue University; National Science Foundation","keywords":"Geology; Cave; Chronology; Paleontology; Archaeology; Taphonomy; Isochron; Stone Age; Breccia; Paleoanthropology; Chronostratigraphy; Geochemistry; Geography; Structural basin","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":[0.0004142058,0.0001243333,0.0001970106,0.00004613534,0.0001837579,0.00004293461,0.0002071153,0.0008542268,0.0001608528],"category_scores_gemma":[0.0002518064,0.0001059529,0.00006514402,0.0001105262,0.000200555,0.0001293427,0.00006368722,0.0005240825,0.00001273218],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00005361462,"about_ca_system_score_gemma":0.0002826701,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002364366,"about_ca_topic_score_gemma":0.01826019,"domain_scores_codex":[0.9989202,0.00008704502,0.000131507,0.0002543353,0.0002448753,0.0003620115],"domain_scores_gemma":[0.9992986,0.0001099454,0.00005952366,0.0001273075,0.0000948652,0.0003097694],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"not_applicable","study_design_scores_codex":[0.0005187938,0.00007364287,0.03400808,0.00002939543,0.0001341683,0.00004527648,0.02630861,0.000005395503,0.0007683939,0.09860415,0.8194167,0.02008741],"study_design_scores_gemma":[0.001954949,0.0001422146,0.008897632,0.00001438893,0.00003863465,0.000007295297,0.0009946076,0.000005699978,0.0006421899,0.02469501,0.9623575,0.0002498908],"study_design_candidate":"not_applicable","study_design_consensus":"not_applicable","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9715124,0.001706931,0.00007869901,0.01083487,0.001617183,0.0005119249,0.00004670621,0.00007477638,0.01361651],"genre_scores_gemma":[0.9728628,0.00004939594,0.003685088,0.0006937768,0.001589046,0.00001644219,0.00001479059,0.00001510961,0.02107356],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1429408,"threshold_uncertainty_score":0.999654,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.043725692623615,"score_gpt":0.3412970332198098,"score_spread":0.2975713405961948,"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."}}