Here is another test: show your mom this video and ask her whether she thinks that the guy is either a genius mathematician or a con artist
http://www.bbc.com/news/technology-36168863
I find it weird that he doesn't want anything from this, and wants to be left alone yet he is the one coming out as Satoshi. He could have stayed private, and would have all of what he wanted. So him claiming to be Satoshi seems to be anti to what he is saying he wants.