{"id":"W4381335670","doi":"10.2138/gselements.19.2.104","title":"Laetoli: The Oldest Known Hominin Footprints in Volcanic Ash","year":2023,"lang":"en","type":"article","venue":"Elements","topic":"Pleistocene-Era Hominins and Archaeology","field":"Social Sciences","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Manitoba","funders":"","keywords":"Homo erectus; Geology; Bipedalism; Paleontology; Hominidae; Australopithecus; Paleoanthropology; Volcano; Archaeology; Geography; Biology; Pleistocene; Biological evolution","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002212235,0.0001325357,0.0001191788,0.0009697778,0.000910227,0.000612813,0.0001897078,0.0001743226,0.003077432],"category_scores_gemma":[0.0003872016,0.00009423598,0.00006192033,0.0008868019,0.0005218621,0.0006393544,0.000489993,0.0002056706,0.0004376291],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002225332,"about_ca_system_score_gemma":0.00014286,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00457946,"about_ca_topic_score_gemma":0.01961686,"domain_scores_codex":[0.9999353,0.00001292473,0.000004971897,0.0000158052,0.00001229274,0.00001873358],"domain_scores_gemma":[0.9998237,0.00002691294,0.0000797636,0.00001884973,0.00002596717,0.00002483082],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002853275,0.00005198212,0.8448354,0.0001769439,0.00003940819,0.001309744,0.02482113,0.00005579058,0.01290439,0.001384274,0.0009383424,0.1131972],"study_design_scores_gemma":[0.00000454461,0.00008325917,0.9694039,0.0001000334,0.00002237824,0.003279978,0.008836684,0.00007162776,0.001219342,0.0003668867,0.01659744,0.00001393687],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9939467,0.0007799497,0.0002159739,0.00006142372,0.000005409616,0.000004177202,0.0001820895,0.00001352441,0.004790745],"genre_scores_gemma":[0.9973512,0.0004920908,0.000526914,0.00002366541,0.000007775244,0.00000439357,0.0002041811,0.000005002812,0.001384855],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00457946,"threshold_uncertainty_score":0.01029497,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03644675270324472,"score_gpt":0.3291439438410748,"score_spread":0.29269719113783,"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."}}