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Agencia Estatal de Investigación; Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung; Govern de les Illes Balears; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; Centre National de la Recherche Scientifique; Council of Scientific and Industrial Research, India; National Research Foundation; Nemzeti Kutatási Fejlesztési és Innovációs Hivatal; Abdus Salam International Centre for Theoretical Physics; Instituto Nazionale di Fisica Nucleare; European Commission; Russian Foundation for Basic Research; ICTP South American Institute for Fundamental Research; Canadian Institute for Advanced Research; Ministero dello Sviluppo Economico; Institut des Origines de Lyon; Russian Science Foundation; Leverhulme Trust; Scottish Funding Council; European Regional Development Fund; Scottish Universities Physics Alliance; Istituto Nazionale di Fisica Nucleare; Department of Science and Technology, Ministry of Science and Technology, India; Ontario Ministry of Economic Development and Innovation; Science and Engineering Research Board; National Science Foundation; Max-Planck-Gesellschaft; Royal Society; Division of Human Resource Development; University of Pennsylvania; Research Corporation for Science Advancement","keywords":"Physics; Gravitational wave; Gravitational wave background; General relativity; LIGO; Scalar (mathematics); Polarization (electrochemistry); Gravitation; Superposition principle; Classical mechanics; Quantum mechanics; Geometry","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":[0.002810224,0.0004052362,0.0004461316,0.0009197741,0.0004517324,0.001461203,0.0006639482,0.0005922977,0.001143395],"category_scores_gemma":[0.01404637,0.0003097258,0.0004255252,0.0008390828,0.000972455,0.001196861,0.001093131,0.000731755,0.0001347452],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005345267,"about_ca_system_score_gemma":0.0004688221,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002258599,"about_ca_topic_score_gemma":0.001211327,"domain_scores_codex":[0.9993222,0.0002704576,0.00002524523,0.0001705269,0.0001250537,0.0000865077],"domain_scores_gemma":[0.990773,0.006223554,0.001633233,0.0006643999,0.0003958262,0.0003101095],"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":[0.0009112094,0.0002128586,0.2383489,0.0001665876,0.0004930635,0.0006909521,0.0005265618,0.2315562,0.03923472,0.4340547,0.003250129,0.05055409],"study_design_scores_gemma":[0.0001339207,0.0002027813,0.09479992,0.00006696526,0.0001911717,0.0003670428,0.0002174744,0.712336,0.01165982,0.1759121,0.004028534,0.00008418186],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9524161,0.0001968934,0.04433975,0.0005529546,0.000009796177,0.00001008306,0.0002480772,0.0001337467,0.002092609],"genre_scores_gemma":[0.9962225,0.0001039473,0.003135531,0.0000561612,0.00001642843,0.000006835534,0.0003045569,0.00001712635,0.0001369176],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002810224,"threshold_uncertainty_score":0.01486206,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04224913854077382,"score_gpt":0.3805820488571489,"score_spread":0.3383329103163751,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). 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