With the recent forum software upgrade, the title system is a little bit different. For one, any title you unlock will be available for use from that point on. With that in mind, any hidden title you earn will be usable at any point, not just for the specific post count it shows for. That also means that when you get to that specific post count for a hidden title, it will stay beyond that post count, rather than revert back to the previous title. While we could have simply removed the hidden ranks due to the new system, we decided to keep them in place at the same post counts to unlock.
The update to post ranks is finally here! Sorry to take so long on that. It was a bit difficult trying to keep most of them the same, add new ones, and still keep things on a fairly steady title change scale. Oh, and laziness.
First off, Pig Tamer is not the final title anymore! In fact, it's just been flat out removed. It was placed there before because at the time, we only had one person even close to it. Now that so many are passed it, it's not really needed as a placeholder anymore. There are now far more ranks after 5000, and a few minor tweaks to some lower ranks. There's been a few new hidden ranks added as well. For now, we'll wait until people find them before added them to the spoiler'd list.
(Once you get past the post number mentioned, you have that title until you reach the next number)
42 - The answer to life, the universe and everything
64 - Full stack
314 - Mathematical Dessert
404 - ERROR 404: User Not Found
413 - Stuck at Home
666 - Mark of the Beast
1337 - IRC HACKER
2001 - A Space Odyssey
5555 - Creeper
9001 - Over Nine Thousand
9999 - Dragon Egg