{"id":"W4414090563","doi":"10.1103/kw5g-d732","title":"GW250114: Testing Hawking’s Area Law and the Kerr Nature of Black Holes","year":2025,"lang":"lv","type":"article","venue":"Physical Review Letters","topic":"Pulsars and Gravitational Waves Research","field":"Physics and Astronomy","cited_by":69,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université de Montréal; Polytechnique Montréal; Canadian Institute for Theoretical Astrophysics; University of Toronto; Perimeter Institute; University of Manitoba; University of British Columbia","funders":"NextGenerationEU; National Research, Development and Innovation Office; Institute for Cosmic Ray Research, University of Tokyo; Great Southern Development Commission, Government of Western Australia; Agencia Estatal de Investigación; Science and Engineering Research Board; Japan Society for the Promotion of Science; Australian Research Council; Narodowa Agencja Wymiany Akademickiej; Ministry of Science and ICT, South Korea; Istituto Nazionale di Fisica Nucleare; National Astronomical Observatory of Japan; Conseil Régional, Île-de-France; Canada Foundation for Innovation; Ministerstwo Edukacji i Nauki; Fonds De La Recherche Scientifique - FNRS; Narodowe Centrum Nauki; Scottish Universities Physics Alliance; National Natural Science Foundation of China; National Research Foundation of Korea; Division of Human Resource Development; Korea Astronomy and Space Science Institute; Science and Technology Facilities Council; Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung; Ministério da Ciência, Tecnologia e Inovação; National Science and Technology Council; Research Grants Council, University Grants Committee; Academia Sinica; Korea Institute of Science and Technology Information; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; Natural Sciences and Engineering Research Council of Canada; Ministry of Education, Culture, Sports, Science and Technology; European Regional Development Fund; ICTP South American Institute for Fundamental Research; Max-Planck-Gesellschaft; Centre National de la Recherche Scientifique; Council of Scientific and Industrial Research, India; Conselleria de Innovación, Universidades, Ciencia y Sociedad Digital, Generalitat Valenciana; High Energy Accelerator Research Organization; Vlaamse regering; Nemzeti Kutatási Fejlesztési és Innovációs Hivatal; National Research Foundation; Generalitat Valenciana; Generalitat de Catalunya; Department of Science and Technology, Ministry of Science and Technology, India; Research Corporation for Science Advancement; Russian Science Foundation; Scottish Funding Council; European Commission; Leverhulme Trust; Ministerio de Ciencia, Innovación y Universidades; Fonds Wetenschappelijk Onderzoek; Institut des Origines de Lyon; Centres de Recerca de Catalunya; U.S. Department of Energy; Kavli Foundation; Israel Science Foundation; Ministry of Education, India; Abdus Salam International Centre for Theoretical Physics; Vanguard International Semiconductor; Fundacja na rzecz Nauki Polskiej; Simons Foundation; Hungarian Scientific Research Fund; Instituto Nazionale di Fisica Nucleare; United States-Israel Binational Science Foundation; European Social Fund; Royal Society; National Science Foundation","keywords":"Black hole (networking); Spins; Rotating black hole; Binary black hole; Spin-flip; LIGO; Coalescence (physics); Detector","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":[0.001933399,0.000483158,0.0003312114,0.000915859,0.0004116679,0.0006087782,0.0008758494,0.0005186843,0.00103576],"category_scores_gemma":[0.005133829,0.0002194879,0.000422502,0.0004796441,0.0009973129,0.0004435532,0.0007483691,0.0005123844,0.0001771058],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003693094,"about_ca_system_score_gemma":0.0002357637,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004272649,"about_ca_topic_score_gemma":0.002239608,"domain_scores_codex":[0.9994313,0.0002068629,0.00002918201,0.0001243235,0.0001064799,0.0001017281],"domain_scores_gemma":[0.9951838,0.002745514,0.000910064,0.0004978626,0.0002364482,0.0004263122],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.003657904,0.000739068,0.8206576,0.0001606285,0.0006989999,0.002386897,0.0009539315,0.01128337,0.1046326,0.01593725,0.001386159,0.03750556],"study_design_scores_gemma":[0.0002770365,0.001556337,0.9508557,0.00002334411,0.0001748914,0.0006806507,0.0005026712,0.02829654,0.01227936,0.004043698,0.001253515,0.0000560917],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9987819,0.00003146936,0.0002985678,0.00003867767,0.000002850174,0.000004417127,0.00003485676,0.00001049871,0.0007969436],"genre_scores_gemma":[0.999593,0.00001335489,0.0002129499,0.00001614432,0.00000538648,0.000003263655,0.00007039542,0.000002989853,0.000082625],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004272649,"threshold_uncertainty_score":0.01022488,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01859434941481549,"score_gpt":0.3474685785261166,"score_spread":0.3288742291113012,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). 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