Huntsman, Santorum, and Bachmann didn't even bother to collect signatures. Newt tried to do it frantically at the last minute by holding rallies a few days before the deadline in Arlington and Richmond to collect signatures. He was disorganized and had no real grassroots operation in VA, the state he has been a resident of for the past 10 years.
The party changed the verification process they'd used since the beginning of time ~ per the authority of the state to allow them to do that. At the same time they excepted Mitt from their new standard.
It's corruption per se and a violation of the law.
Without proof that they are true, they are manifestly fraudulent.