You're kidding, right? He only had enough money to type up a PDF and cannot even afford to host it on its own site, he has to use his companies' sites.

http://www.spacex.com/sites/spacex/files/hyperloop_alpha-201...

http://www.teslamotors.com/sites/default/files/blog_images/h...

It is on its face obviously severely capital-constrained.