{"id":"W4417197840","doi":"10.1038/d41586-025-03735-9","title":"Oldest known evidence of the controlled ignition of fire","year":2025,"lang":"en","type":"article","venue":"Nature","topic":"Metallurgy and Cultural Artifacts","field":"Social Sciences","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"Université du Québec à Chicoutimi","funders":"","keywords":"Pyrite; Mineral; Ignition system; Spontaneous combustion","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":[0.001183038,0.0003635712,0.0002528452,0.002197421,0.001714705,0.00184621,0.001102969,0.001259892,0.0120251],"category_scores_gemma":[0.008124236,0.0002169326,0.0002691151,0.001679552,0.007688491,0.001502645,0.00144995,0.001387611,0.001053966],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000856012,"about_ca_system_score_gemma":0.001041952,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003514324,"about_ca_topic_score_gemma":0.005560282,"domain_scores_codex":[0.9991801,0.0001786978,0.00005173464,0.000248073,0.0002727611,0.00006865057],"domain_scores_gemma":[0.9926911,0.00412997,0.0009343397,0.001419526,0.0006590929,0.0001658821],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"observational","study_design_scores_codex":[0.001884575,0.0003293169,0.1019228,0.002792813,0.0005710371,0.003287328,0.02176129,0.0006159313,0.01763049,0.541621,0.013016,0.2945675],"study_design_scores_gemma":[0.000110197,0.0004714973,0.2158671,0.002217194,0.0003554015,0.005613351,0.01619656,0.0005798294,0.03474664,0.1972507,0.5264719,0.000119474],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.5029445,0.02306838,0.01396754,0.00858408,0.0008271053,0.00007890032,0.001178192,0.0001157586,0.4492355],"genre_scores_gemma":[0.9781886,0.00628487,0.002402099,0.0005512087,0.0003278964,0.0000223734,0.0002655657,0.0000235527,0.01193377],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0120251,"threshold_uncertainty_score":0.04022795,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02063455457126635,"score_gpt":0.3317500520857843,"score_spread":0.3111154975145179,"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."}}