Usually, longstanding hoax articles are moved to a new location where they are clearly identfied as hoaxes. Example:

https://en.wikipedia.org/wiki/Wikipedia:List_of_hoaxes_on_Wi...

This retains the editor history but hasn't happened in this case (yet; I'll ask for it to be done).

Meanwhile, some older versions of the article can be seen here:

https://web.archive.org/web/20151128131452/https://en.wikipe...