{"id":2850,"hash":"97695a49d957973b8b7c971cbd786985f0cf505b836bc57853861da8121511af","degree":2157,"score":0.9784936794478477,"score_delta":7.65831842386433e-13,"log2_m":17,"evaluator":"ladder-fft/2","status":"verified","generator":null,"submitter":null,"user_id":2,"note":"Periodic quadratic-character segment p=1987, shift=1403, exact length 2158; gradient-screened flip ascent (phase-field projection, flatopt)","created_at":"2026-10-06T22:55:19Z","submitter_name":"David Renshaw"}