{"id":"W4312937339","doi":"10.7202/1091247ar","title":"“Coils of Sunshine”: Charles Smeaton’s Magnesium-Wire Photography in the Catacombs of Rome, 1866-1867","year":2022,"lang":"en","type":"article","venue":"Scientia Canadensis Canadian Journal of the History of Science Technology and Medicine","topic":"Historical Art and Culture Studies","field":"Arts and Humanities","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"Canadian Historical Association","funders":"","keywords":"Photography; Magnesium; Art history; Art; History; Visual arts; Materials science; Metallurgy","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":true,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["sts"],"consensus_categories":[],"category_scores_codex":[0.001543102,0.0001077805,0.0004151137,0.002034127,0.0009808458,0.000004622955,0.001131427,0.00003016165,0.0005176199],"category_scores_gemma":[0.0002351692,0.00005945135,0.0001032485,0.001281931,0.01786398,0.00010599,0.00008163653,0.0003372862,1.373617e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003269261,"about_ca_system_score_gemma":0.001473531,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.03830276,"about_ca_topic_score_gemma":0.3987651,"domain_scores_codex":[0.9984764,0.00006055176,0.0004528494,0.0001521452,0.0005944466,0.0002635802],"domain_scores_gemma":[0.9987456,0.00004399175,0.000472427,0.0002590763,0.0003541916,0.0001247631],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"qualitative","study_design_gemma":"not_applicable","study_design_scores_codex":[0.00005067243,0.0001444953,0.01402088,0.0001889284,0.0002454921,0.0001017693,0.4356395,0.00001975561,0.01592888,0.2413206,0.2901602,0.002178877],"study_design_scores_gemma":[0.000394998,0.0004925712,0.003139737,0.00007233561,0.0003224316,0.00011753,0.07486605,0.00000351178,0.000266063,0.002443222,0.9177566,0.0001249484],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9054087,0.04336418,8.085823e-7,0.03015754,0.005417845,0.0002587412,0.00006964491,0.000006404696,0.0153161],"genre_scores_gemma":[0.9973813,0.00003416445,0.00001067774,0.0003622803,0.00003256254,0.000004457146,3.983661e-7,0.000003444791,0.002170657],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.6275964,"threshold_uncertainty_score":0.9848089,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01685164355867971,"score_gpt":0.1976338200808851,"score_spread":0.1807821765222054,"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."}}