{"id":"W4417459879","doi":"10.48550/arxiv.2512.13544","title":"The Serendipitous Axiodilaton: A Self-Consistent Recombination-Era Solution to the Hubble Tension","year":2025,"lang":"","type":"preprint","venue":"ArXiv.org","topic":"Dark Matter and Cosmic Phenomena","field":"Physics and Astronomy","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Institut Périmètre de physique théorique; Ministry of Education, Culture, Sports, Science and Technology; University of Sheffield; Science and Technology Facilities Council; Natural Sciences and Engineering Research Council of Canada; Government of Canada","keywords":"Dark energy; Axion; Cosmology; Hubble's law; Dark matter; Cosmic microwave background; Dark fluid; Planck; Hubble volume","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001094091,0.0005686095,0.001004557,0.0006623104,0.000711213,0.001408656,0.003438968,0.001706939,0.002996432],"category_scores_gemma":[0.003395013,0.0008015415,0.0007274432,0.0004318914,0.001487946,0.001500999,0.001536343,0.00116084,0.0004362805],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008720402,"about_ca_system_score_gemma":0.001611595,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.006573883,"about_ca_topic_score_gemma":0.006376005,"domain_scores_codex":[0.999824,0.00008814078,0.000005726104,0.0000271315,0.00002627715,0.00002883901],"domain_scores_gemma":[0.9992921,0.0002494372,0.0001487889,0.00006570118,0.00008838093,0.0001554909],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.000160599,0.00009521291,0.002872694,0.00006876377,0.000107507,0.0004580849,0.00009590277,0.7113296,0.001370993,0.2742648,0.002879685,0.006296125],"study_design_scores_gemma":[0.00007436734,0.00002100013,0.0003454589,0.00001033955,0.00001174132,0.00003180125,0.00002553821,0.955496,0.00007767644,0.04287412,0.001016038,0.000015948],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.3440088,0.001398921,0.5966288,0.006101206,0.0003677046,0.0001385339,0.0006127911,0.0006036866,0.0501395],"genre_scores_gemma":[0.8829498,0.000465355,0.09300441,0.0008338694,0.0003874979,0.0002270852,0.0003448679,0.0002984774,0.02148865],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.006573883,"threshold_uncertainty_score":0.01307124,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01862490375395538,"score_gpt":0.2441127704733894,"score_spread":0.225487866719434,"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."}}