That's not true; tis all humans; but as far as I'm concerned that's the ultimate compliment to their speed and lack of bias.

I wouldn't call "no human judgment" a compliment...

This seems easy enough to test. Someone just needs to put up a page which changes the in-page TITLE to something new for every hit, and then let someone submit it. Then see if it changes, and what it changes to, and when. Then work backwards from the server logs to see who or what is doing it.

If it's a bot, you could have some random gunk in there, and it would flip over automatically. If it's human, they might not accept a (hex|base64|...) encoding of some magic number. Of course, said human could also read this, know what was going on, and modify their behavior accordingly.

Tricky.

Or make the title of the article a time stamp.

Nope, as you can see, they originally changed it to "Transition to CyanogenMod.org", while the HTML title of the URL is "PSA: Transition to CyanogenMod.org". Then after complaints that that change went too far, they added the "Cyanogenmod.com hijacked" part. Now the title is better than either the original title of the submission or the HTML title of the original article.

I don't think it's a bot; it's just that the policy is that if the title is misleading or sensationalist, to prefer the original title of the article over anything else. So that's what the admins go with the vast majority of the time if anyone complains. In this case, the hijacking really is relevant, so they added that part back in again.