{"id":"W2936095933","doi":"10.3847/2041-8213/ab1141","title":"First M87 Event Horizon Telescope Results. VI. 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Recruitment Program of Global Experts; Korea Astronomy and Space Science Institute; Ministero dello Sviluppo Economico; Max-Planck-Gesellschaft; Centre National de la Recherche Scientifique; National Natural Science Foundation of China; National Research Foundation of Korea; Universidad Nacional Autónoma de México; Ministerio de Ciencia, Innovación y Universidades; Nuclear Safety and Security Commission; Generalitat Valenciana; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; Instituto de Astrofísica de Andalucía; Chinese Academy of Sciences; Vetenskapsrådet; International Max Planck Research School for Environmental, Cellular and Molecular Microbiology; Smithsonian Institution; U.S. Department of Energy; Leverhulme Trust; National Radio Astronomy Observatory; Toray Science Foundation; National Research Foundation; University of Arizona; Harvard University; Innovation, Science and Economic Development Canada; National Science Foundation; Compute Canada; National Astronomical Observatory of Japan; Associated Universities; Dirección General de Asuntos del Personal Académico, Universidad Nacional Autónoma de México; Consejo Nacional de Ciencia y Tecnología; University of Chicago; National Institutes of Natural Sciences; Government of Canada; National Aeronautics and Space Administration; Istituto Nazionale di Fisica Nucleare; Department of Science and Technology, Ministry of Science and Technology, India; Russian Science Foundation; Gordon and Betty Moore Foundation; Academia Sinica","keywords":"Physics; Black hole (networking); Event horizon; Astrophysics; Angular diameter; RADIUS; Shadow (psychology); Horizon; Brightness; Event (particle physics); Astronomy; Stars","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0006312789,0.0003312571,0.0003210755,0.0006724659,0.0003159392,0.0005508938,0.000321295,0.0002327831,0.001200794],"category_scores_gemma":[0.000714138,0.0001479753,0.0004955815,0.0004470522,0.0003157766,0.0002072152,0.000408019,0.0002698496,0.0006071979],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006145458,"about_ca_system_score_gemma":0.0002743017,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.008583298,"about_ca_topic_score_gemma":0.01808049,"domain_scores_codex":[0.9997481,0.00003538549,0.000009230063,0.00003742842,0.0001139902,0.00005600242],"domain_scores_gemma":[0.9994152,0.00008249912,0.0001451337,0.0001474823,0.0001311826,0.00007858964],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0009633055,0.0001867672,0.7976605,0.0001965468,0.0004466452,0.001044278,0.001237566,0.01984088,0.08513681,0.004185434,0.011768,0.07733339],"study_design_scores_gemma":[0.00002791169,0.000111739,0.9551787,0.00002364634,0.00007090057,0.0003210679,0.000221721,0.01972127,0.01622075,0.0008031314,0.007272096,0.00002715698],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9772233,0.0002220173,0.009541976,0.00009132431,0.00002703427,0.00003317955,0.005193045,0.0005857454,0.007082371],"genre_scores_gemma":[0.9920337,0.00004020528,0.003470446,0.00002512603,0.00001488851,0.0000121924,0.003755521,0.0000683375,0.0005796284],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.008583298,"threshold_uncertainty_score":0.01706672,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.004636628046808018,"score_gpt":0.1895377964351835,"score_spread":0.1849011683883755,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). 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