Minor note: the PDF includes the copyright statement

Copyright © 2015, Machine Intelligence Research Institute (intelligence.org). All rights reserved.

which implies that you are, among other things, forbidding people from redistributing the file other than by linking directly to it, which may not be what you actually want. (For instance, it would technically be illegal to print out copies of your paper and distribute those copies without explicit permission, and while usually one would assume distribution of printed copies to be okay for a paper posted online for free, you are explicitly reserving all rights including the right for redistribution.) May I suggest using some Creative Commons license, such as CC-BY or CC-BY-ND, instead?