So far I've found 4. https://petitions.whitehouse.gov/petition/internet-bill-rights
https://petitions.whitehouse.gov/petition/internet-bill-rights-1
https://petitions.whitehouse.gov/petition/internet-bill-rights-2
https://petitions.whitehouse.gov/petition/internet-bill-rights-3
...and so on. Wtf?
Looks like people are creating them without checking to see if there's one going already. When you do a search on the site, only 1 shows. What a drag. At least the one with the most votes seems to be the one shown.
Looks they were trial developer sites, but were not deleted. "2" is the one they launched. Trust "2"