It is my understanding LT it all depends on what province you got a camera ticket. Outside BKK and probably CB most are not linked to a main data base system that it can be confirmed. I have gotten a few over the years somewhere between Nakhon Sawan and Tak and my wife just tossed them and I have never been asked when registering my truck.
In the end. They aren't a lot of money. I have no issue paying