It’s kind of frustrating that you can’t verify a human readable keybase sig in one go, you have to have a detached signature which adds to the complexity.

This is a test of detached signatures
BEGIN KEYBASE SALTPACK DETACHED SIGNATURE. kXR7VktZdyH7rvq 
v5weRa8moFRQCTf kwdC75flbXaWrQs 3vKRtDhMOEbUs7w 1vaoZqJ6TIciIn7 
1uyUZXeGCuvNZLV 5KF2MLGXAMdEvdj xBG9bRfSV2BcZv2 F7KpvYnkGi4eKeG 
nDsiP8WG1VBxP82 mXjl9VHoh91PWcr JtwgtI20247oenc G. END KEYBASE 
SALTPACK DETACHED SIGNATURE.

This is a pgp clearsign

-----BEGIN PGP SIGNED MESSAGE-----  
Hash: SHA256  

This is a test of detached signatures  
-----BEGIN PGP SIGNATURE-----  
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=K9zF  
-----END PGP SIGNATURE-----

The first example requires that the detached sig be in a file. Whereas the pgp sig allows you to verify it wholesale. Keybase does allow you to create a single group of text you can verify in one go, however it is not human readable.

BEGIN KEYBASE SALTPACK SIGNED MESSAGE. kXR7VktZdyH7rvq 
v5weRa0zkDE9qOC 5At2JwssUHsujQs 3vKRtDhMOEbUs7w 1vaoZqJ6TIW0tH7 
fnkRyyz2yfSgqY1 e5frmYFMaNY044h Aeob3uVsuDaxb8a RoJEdT79UuAIJ4h 
zm3X1TEG2kcWCx4 grGBIIXfoK3JSXw DreaVMOncSEN0he 1ukhYNoZA8p1yBd 
CxV5h0LPFhn1CX9 R4XTd0jQcxYF6fr xWdofcwivWF. END KEYBASE SALTPACK 
SIGNED MESSAGE.