Just use hypercam to record and have everyone post there address here
Truthfully, that wouldn't really prove anything. They could just make the video over and over until they get the results they want.
true that
He could use two windows, one open to time.gov and the other to his randomizing. And then set a time on a designated time zone such as PDT on time.gov and then right when that time hits to do the randoming process. Therefore he wouldn't have the chance to run it multiple times.