I wish I had saved my post somewhere... Lost forever?

No, it is not lost at all, because all versions of a post are stored forever on the blockchain.

I've digged out the original version for you: https://steemit.com/steemit/@blueorgy/i-was-hacked-i-recovered-my-account-quickly-thank-god-what-should-i-do-next#@scrawl/re-blueorgy-i-was-hacked-i-recovered-my-account-quickly-thank-god-what-should-i-do-next-20160721t185907934z