E(truth) = 0.339635
REF: GRAMPA on raw fields -> raw 0.0039 refined 0.0117 E=0.8380
REF: field correlation (aligned) = 0.8302

=== r=24  [6.2s]  resid V 0.0400  T 0.0331  V(seed2) 0.0447
  [uniqueness] symNMF(V,seed1) vs symNMF(V,seed2) matched cos: median 0.885  >0.9 10/24  >0.5 24/24  min 0.541
  [oracle cols] cos: >0.9 10/24  >0.5 23/24  median 0.842  min 0.427
                sorted: [0.98 0.98 0.97 0.96 0.95 0.94 0.94 0.92 0.91 0.91 0.88 0.86 0.82 0.8
 0.79 0.69 0.68 0.68 0.68 0.68 0.68 0.63 0.55 0.43]
                identity-map fraction (shared-seed artifact check): 0.083
  [oracle-col row descriptors] Hungarian acc 0.6719 -> descent 0.8320
  [prune thr=0.5] kept 23/24  rho(cleanV,T)=0.8466 (was 0.8302)  GRAMPA 0.0078 -> clean-descent 0.0547 -> true-descent 0.0547  E=0.6471
  [prune thr=0.7] kept 15/24  rho(cleanV,T)=0.7684 (was 0.8302)  GRAMPA 0.0039 -> clean-descent 0.0391 -> true-descent 0.0391  E=0.6817
  [prune thr=0.8] kept 13/24  rho(cleanV,T)=0.7804 (was 0.8302)  GRAMPA 0.0000 -> clean-descent 0.0000 -> true-descent 0.0000  E=0.7292

=== r=42  [32.2s]  resid V 0.0241  T 0.0141  V(seed2) 0.0231
  [uniqueness] symNMF(V,seed1) vs symNMF(V,seed2) matched cos: median 0.832  >0.9 12/42  >0.5 42/42  min 0.541
  [oracle cols] cos: >0.9 4/42  >0.5 41/42  median 0.766  min 0.416
                sorted: [0.97 0.94 0.93 0.9  0.89 0.88 0.88 0.87 0.86 0.86 0.86 0.84 0.84 0.84
 0.82 0.81 0.81 0.8  0.79 0.78 0.77 0.76 0.76 0.76 0.75 0.75 0.75 0.74
 0.74 0.73 0.72 0.72 0.72 0.71 0.7  0.7  0.69 0.66 0.65 0.63 0.62 0.42]
                identity-map fraction (shared-seed artifact check): 0.000
  [oracle-col row descriptors] Hungarian acc 0.8125 -> descent 0.8828
  [prune thr=0.5] kept 41/42  rho(cleanV,T)=0.8337 (was 0.8302)  GRAMPA 0.0273 -> clean-descent 0.0547 -> true-descent 0.0430  E=0.6804
  [prune thr=0.7] kept 35/42  rho(cleanV,T)=0.7976 (was 0.8302)  GRAMPA 0.0391 -> clean-descent 0.0625 -> true-descent 0.0859  E=0.6966
  [prune thr=0.8] kept 17/42  rho(cleanV,T)=0.6036 (was 0.8302)  GRAMPA 0.0000 -> clean-descent 0.0039 -> true-descent 0.0078  E=0.6982