Yep. We were too restrictive in our domain settings! We'll be pushing a fix soon, but it will take a little while to work through the approval process. I'll Tweet when there's an update (@omniref).
It appears you have to register for an account on that site AND wait for your membership to be approved before you can even download a standard or view documentation.
If that standard is important and well designed, it should be trivial to write a converter from JSON Resume.
As Douglas Crockford once said (I believe in reference to XMLRPC) the great thing about reinventing the wheel is that you might get a round one.
Any chance of getting that fixed?