It's been an hour since I posted the question and everyone is making really, really good guesses.
I want to see more discussions, so I'm tempted to wait a little longer.
I love speculating about mysterious machines, and I love watching people speculates just as much.
So I want to wait a little longer. I will explain what this is in 23 hours.
Show me more reasoning! Accurate or inaccurate, I enjoy and respect all of it!