My keybase.io account is useless because of an error I cannot comprehend. I've never had a problem with my key, and it was working just fine when I signed up!
Your public key appears corrupted (no valid primary key self-signature)
edit: my self signature is fine, as far as i can tellhttps://pgp.mit.edu/pks/lookup?op=vindex&search=0x983B64501F...