I'm surprised nobody noticed that the names of the videos are from mktemp(3).
>>> tempfile.mktemp()
'/tmp/tmplOcKyZ'
>>> tempfile.mktemp()
'/tmp/tmpW0dJUR'
tmpwxm2CP
3 weeks ago - 31,842 views
tmpElnFwp
3 weeks ago - 112 views
Betting aqua.flv is the source file, the name of the video is the temporary output file (probably from a transcoder), and the article's conclusion about testing is accurate.