Well, if it's any indication, the official AFX soundcloud commented on this account's comment. At this point we're pretty sure it's his music based on fan analysis of tracks(hax skillz), and the connection to his soundcloud.
Here's everything at the time of writing this post, albeit it's 128kbps, but still.
Aphex Soundcloud Collection
edit:
This is indeed AFX, no question. I have been listening through the 4 1/2 massive collection, and guess what? "16 fresher + cleaner" is a slightly different and cleaned up version of track 1 on the Joyrex tape which was indeed confirmed to be real. Guys, get on this s
hit before he changes his mind, this is so crazy.
16 Fresher + Cleaner