{"id":"2147ede7-5eb2-4cda-8427-e2a97307b4af","arxiv_id":"2411.08087","paper_version":2,"verdict":"CONDITIONAL","confidence":"HIGH","novelty_score":5.0,"correctness_risk":"medium","formal_verification":"none","parameter_count":2,"one_line_summary":"Fréchet Vectors, built from Multipole Vectors, are more sensitive to CMB anisotropies, and Planck 2018 temperature maps show small tensions with a Gaussian and statistically isotropic sky.","lead":"This paper tests whether the cosmic microwave background looks statistically the same in all directions, using new geometric summaries called Fréchet Vectors derived from Multipole Vectors. The authors find small but persistent deviations in Planck data, especially on small angular scales, though imperfect noise modeling may explain them.","discovery_kind":"extension","skeptic_critique":null,"referee_report":null,"author_rebuttal":null,"desk_editor":null,"rs_alignment":null,"lean_confirmation":null,"pith_extraction":null,"created_at":"2026-08-12T22:01:21.288122+00:00","model_set":{"reader":"deepseek-v4-flash"},"falsifier":null,"supporting_citations":[],"review_version":1}