An experimental Pup created by Murga Puppy Linux Forum member Peebee.
Thread: http://murga-linux.com/puppy/viewtopic.php?search_id=139866675&t=117732
Peebee's first effort: http://murga-linux.com/puppy/viewtopic.php?p=1049512&search_id=139866675#1049512
From the above post onwards testing by various members began.
Where you will find it on Archive.org:
32bit build: http://archive.org/details/Puppy_Linux_Archpup32
64bit build: http://archive.org/details/Puppy_Linux_Archpup64
S243a's build: https://www.dropbox.com/s/axzgx1kk72lz85o/a32pup-20.03.iso%2B1RC3.iso?dl=0