This CFA contains the below file in the RomFS.

version.bin

This 8-byte file mainly contains the system revision number, for the version number displayed by System Settings.

Offset Size Description
0x0 0x1 Zero?
0x1 0x1 Zero?
0x2 0x1 Revision version number, after the '-'
0x3 0x1 Zero?
0x4 0x1 ASCII character for the system version region
0x5 0x3 Always zero?