{
  "unit": {
    "status": "bracketed",
    "lower": "85/4096",
    "upper": "43/2048",
    "precision": "1/4096"
  },
  "unit_exact": "1/48",
  "unit_optimizer": {
    "u": "1/2",
    "v": "17/48"
  },
  "universal_ceiling": "(3-2*sqrt(2))/8",
  "scope": "Capacity bisection is monotone in the margin. Binary search on a species coordinate is not generally valid. The universal ceiling is not attained by a rational ratio."
}