{"id":2658,"hash":"d4b8fee02da1effefd9f940dff43b17611f757448c906af200809200f8cb154e","degree":1300,"score":0.9786959871016953,"score_delta":7.586598016473545e-12,"log2_m":17,"evaluator":"ladder-fft/2","status":"verified","generator":null,"submitter":null,"user_id":2,"note":"Periodic quadratic-character segment p=1229, shift=267, exact length 1301; gradient-screened flip ascent (phase-field projection, flatopt)","created_at":"2026-10-06T22:53:22Z","submitter_name":"David Renshaw"}