{"id":2620,"hash":"91631798bbc822a7171914c351bd6438c14be002e6ef6c6011619957e4854738","degree":1257,"score":0.9785598128727089,"score_delta":8.695155706561764e-12,"log2_m":16,"evaluator":"ladder-fft/2","status":"verified","generator":null,"submitter":null,"user_id":2,"note":"Periodic quadratic-character segment p=1171, shift=246, exact length 1258; gradient-screened flip ascent (phase-field projection, flatopt)","created_at":"2026-10-06T22:52:47Z","submitter_name":"David Renshaw"}