{"id":"W2322230548","doi":"10.1103/physics.7.111","title":"Arrow of Time Emerges in a Gravitational System","year":2014,"lang":"en","type":"article","venue":"Physics","topic":"Cosmology and Gravitation Theories","field":"Physics and Astronomy","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Natural Sciences and Engineering Research Council of Canada; Institut Périmètre de physique théorique; Ministero dello Sviluppo Economico; Industry Canada; Government of Canada; Foundational Questions Institute; John Templeton Foundation","keywords":"Arrow of time; Arrow; Physics; Gravitation; Theoretical physics; Classical mechanics; Computer science; Quantum mechanics; Quantum","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00009069467,0.00005130207,0.0001083641,0.00001918292,0.0000234963,0.000003213271,0.0000514105,0.00001126625,0.00002988534],"category_scores_gemma":[0.000004193741,0.00005100832,0.00003775516,0.00009206279,0.00003837048,0.00004498054,0.000009962765,0.00004102195,0.00006140966],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000004181309,"about_ca_system_score_gemma":0.00001225051,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00002935115,"about_ca_topic_score_gemma":9.043196e-7,"domain_scores_codex":[0.9996421,0.00004495432,0.0001142989,0.00007234066,0.00005542857,0.00007091006],"domain_scores_gemma":[0.9997088,0.00009717122,0.00006177792,0.00007859642,0.00004019416,0.00001340591],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.000006036529,0.0000388017,0.0603057,0.00001271511,0.0000124552,5.183488e-8,0.0002951401,0.0001531423,0.000603477,0.9359288,0.0001913,0.002452439],"study_design_scores_gemma":[0.0002307726,0.00001840828,0.02052796,0.00001869867,0.000007919371,7.918339e-8,0.0001946878,0.0003667003,0.001869754,0.9765495,0.0001488375,0.0000666872],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9462495,0.00001667888,0.0358081,0.0001448499,0.0002097432,0.0001221992,0.00004571065,0.00002546589,0.01737768],"genre_scores_gemma":[0.9991212,2.365393e-8,0.0004426883,0.000009107814,0.00009829202,0.00001047053,0.0000425898,0.000004393683,0.0002711649],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0528717,"threshold_uncertainty_score":0.2080059,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.00466255116982588,"score_gpt":0.2219983646641194,"score_spread":0.2173358134942935,"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."}}