ainola [1] filed a deletion request for plymouth-theme-spinfinityv2 [2]: as per final comment of https://plus.google.com/+nathancoffey/posts/T2t9Seipg8Q, it appears there's no source or downloadable URL any more.
[1] https://aur.archlinux.org/account/ainola/ [2] https://aur.archlinux.org/pkgbase/plymouth-theme-spinfinityv2/
