Probably in 50 years when he's long dead. There will be an ambitious investigative reporter who will dig everywhere and make a legitimate connection.
If you cannot find someone when he is alive, there is no way anyone could dig his grave and find the truth

. In the past few years we had many connections from investigative journalist about Satoshi and everyone turned out to be just fictitious and one of them brought out the Craig White syndrome which we are dealing till now

. If Satoshi wants to reveals himself he will do so by proving himself by signing in the genesis block other than that there is no point in chasing a ghost.