In http://askubuntu.com/questions/431194/how-to-upgrade-ubuntu-12-04-to-ubuntu-13-04, the question is at `2014-03-08 06:44:30Z` and the answer is at `2014-03-08 06:46:25Z`. 

My question: how reliable are those times? If accurate, in this case it shows very fast typing or just clumsy rep rigging.