Last modified: 2012-12-18 17:25:30 UTC
This comment was made by an IPv6 anonymous user, but it was signed using an IPv4 address. This appears to be something wrong with the Javascript.
(see URL)
For reference, the user that actually created the thread: https://www.mediawiki.org/wiki/Special:Contributions/2A01:E35:2438:800:797C:4BDC:898C:C725