{"id":2666,"hash":"83a57d33db5720c6603928d4b9839d15fcc46fd791ad19dd9bfa75b350868f29","degree":1308,"score":0.9787318738961629,"score_delta":3.2781555248106997e-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=886, exact length 1309; gradient-screened flip ascent (phase-field projection, flatopt)","created_at":"2026-10-06T22:53:26Z","submitter_name":"David Renshaw"}