after some consideration, i made a forum called "Radical Opacity", which only mods and admins can see. The forum is itself a subforum of a forum only admins can see. Also, no one has permission to view threads in that forum. Not even me. So I can post threads there, but I can't view the contents of those threads once they're posted. Snitch made a "radical opacity" thread, which is now also moved there. I really feel like we've been falling short when it comes back to SUPER SECRET mod stuff, and I've seen places with as many as four or five distinct levels of hierarchy with secret forums, but we're the first place I've been that has a forum where even admins can't read even their own posts.