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Invalid Core QUID Versions

It’s safest if you just don’t use:

  • 0 or Z for anything other than extents
  • 1-7
  • C or D
    • that’s inherited from UUIDv4
  • E or F
  • M, N, P, or Q
  • W, X, or Y

More on each of these forthcoming from my drafts.s