UPDATE: Papa John's Pizza is now open in New Hartford. 

The rumor was posted September 18th on Topix. Now we can't say Topix is always the best source of news, but here's what was posted:

Now that rumor is actually true.

The Papa John’s website now lists the New Hartford location (Papa John’s #4444) as open. The store is located at 8411 Seneca Turnpike and the phone number is 732-7272.