Absolutely! There are some things you can't check that are still bad, for example, md5(timestamp) or Mersenne Twister might not be obvious, but 16 base32 symbol

Absolutely! There are some things you can't check that are still bad, for example, md5(timestamp) or Mersenne Twister might not be obvious, but 16 base32 symbols that decode to 10 ascii bytes is a pretty dead giveaway :)