He didn't. He just wants attention. He's lied many times before, please don't believe what he says.
Even if there were a new 3.56 exploit, it'd be completely useless. (Though progress is always nice)
As this thread is old and closed, I have posted the KaKaRoToKS exploit update in the ongoing LV0 thread here for those interested: http://www.ps3news.com/ps3-hacks-jai...ates-incoming/