Frostyverse Shapiro Time Delay Python Test — expected fingerprints
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Focused reference command:

  python lab_test.py --reference

Reference geometry:
  R = 20
  H = 7.0
  b = 3.30
  b_reference = 6.80

Expected focused values (normal floating-point/platform variation is acceptable):
  FV differential clock delay     ~= 2.359710704505e-06
  GR differential delay           ~= 2.378186376374e-06
  FV / GR                         ~= 0.992231192621
  relative error                  ~= 0.776881%
  old raw-envelope control / GR   ~= 1.485770449515
  C3D radial median               ~= 0.667921260020

Historical H-116 full report:
  sealed FV timing fingerprint:
    5d3531e3ca4474df09f51a290101ef0cb885f47ad322f9d44b6554aacd19e9f0

  R20 H=7.0 b=3.30: C3D/GR ~= 0.992231, error ~= 0.7769%
  R40 H=7.0 b=3.30: C3D/GR ~= 0.996000, error ~= 0.4000%
  R80 H=7.0 b=3.30: C3D/GR ~= 0.997897, error ~= 0.2103%
  R80 worst fresh H-116 error ~= 0.2816%

Historical H-118 high-resolution confirmation:
  R80  worst Shapiro error ~= 0.2816%
  R120 worst Shapiro error ~= 0.1872%
  R160 worst Shapiro error ~= 0.1217%

The GR ruler must be opened only after the FV result is generated and sealed.
