T40: Wilbraham-Gibbs constant

This is the table as of 2026-08-15 16:18, by bmatschke.
Run: GibbsConstant-1786810694

table.yaml holds the numbers and everything said about them. The other
files are what was stored alongside them -- usually the code that
produced them. They are recorded, not run.

The table as it stands now: https://numberdb.org/T40
