That is still your passport AND in Thailand, there is the way they should do things and way they do things. That pamphlet was probably written by a different department not recognized by other departments.
You should know that.
Every expat with experience, that I have met. Will tell you always carry the original. (all Immigration Officers will not have access to a computer)
They need to verify your visa status. And they always want to know stuff that is none of their business. (like where you have been and for how long)