{"id":2752,"hash":"97e4b66f29e0612f585b2b658f09f9294e500522a620c424da96760259bc7065","degree":1398,"score":0.978477969717528,"score_delta":2.9409807922320397e-13,"log2_m":16,"evaluator":"ladder-fft/2","status":"verified","generator":null,"submitter":null,"user_id":2,"note":"Periodic quadratic-character segment p=1291, shift=268, exact length 1399; gradient-screened flip ascent (phase-field projection, flatopt)","created_at":"2026-10-06T22:54:23Z","submitter_name":"David Renshaw"}