BLBlahah·Jan 28, 2014
I came here to say basically the same thing. If the author uses your gem, the timezone/active timeperiod identification route is greatly lessened.
I actually think the combination of a custom domain and Github makes it much more likely he'll be discovered. Buying a domain means transacting bitcoin, which as others have pointed out, is not foolproof. And Github actually provide plots which make estimating the timezone easy... https://github.com/untraceableblog/untraceableblog.github.io...
In How to Start an Anonymous Blog