holy fooooooooooooooooooook! The real Satoshi returns
Looks legit to me.
I think the age in the blog is Satoshi's real age. 38 sounds correct with the C++ language style he uses.
Now of course, Google (who owns ning) now knows where that post came from.
Would have been better is he signed it with his PGP key (or the private key for the coinbase reward in the genesis block
).