Sony has filed a patent for a process that would measure products' load times against a benchmark to determine legitimacy.
Darkzero reports on the filing being attributed to Sony Computer Entertainment America. A flow chart details the process, which would detect whether a product was purchased or pirated by comparing two load times against a benchmark for the piece of media.
The process also contains a backup validation cycle that would account for load time errors due to hardware issues. The secondary cycle would be skipped if the first cycle determined the product was legitimate.
The patent was originally filed back in August 2011, but wasn't published until recently. As of right now, it's unclear which of Sony's hardware and/or divisions it's being considered for.