Just send a PM to DefaultTrust now, write down the PM id and the address in a safe place and you are fine.
I did that, but a PM is not sufficient is prove who I am to others.
Take a look at this post:
https://bitcointalk.org/index.php?topic=647459.msg7240996#msg7240996If the OP was able to post their bitcoin address in an uneditable area of the forum, they would be able to prove the account is not hacked.