Amit's application was received on January 1, 2015 because that's the date he created the Express Entry PROFILE. I am starting to think the order that CIC process the application could've something to do with when you created your Express Entry Profile.
Mine hasn't have any updates since I submitted it on February 18 and I received ITA from the first draw, but my Profile was created on January 15, 2015. I submitted a cast specific inquiry form online and I will call CIC to see if I can dig out any information. The last time I called they couldn't find my EE PR application using my UCI, so I suspected that they haven't even look at my application yet. Which may also explains why my EE PR application is not showing on ECAS.