a
or a q
? Which is the natural consequence of taking the last digit in the base32 representation of a 256-bit hash -- 256 is not evenly divisible by 5 ! That final character is made up of one bit of actual information and 4 bits of padding.
Itās pretty hard to follow though, with the discussion being spread out over so many threads and with the https://search.twtxt.net UI displaying threads in a way thatās different than how https://twtxt.net does.