I picked that up from either Amanda Nelson (amandasmildtakes) or Under the Desk News. Can't remember which one and I'm not able to search for a video right now. It was one released either last night or this morning.
Multiple other governments have the files as well. Even if the copies about to be released are heavily edited there will be plenty of other copies that can refute them.
Now, whether or not anyone will do so is another question.
He can't, because pocket vetos only work if both chambers are adjourned during the 10 day period. Not at recess, adjourned. If he doesn't sign it within 10 days or just becomes law.
I tagged a couple more a while back that I thought might be him.