The problem is that the other sources of this exact content of this answer are timed too close to when it was submitted here.
The answer in question was submitted on 2013-06-14 05:24:45Z
This was 14-06-2013, 05:21 AM
Here it was 14th June 2013, 05:20 (seem to be the same user)
And we don't have the time for this which could be the original source.
What should we do about this and similar situations?