Placing a hashed .pdf doc on the blockchain w/ proofofexistence.com

[OROBTC]

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I wrote this piece up to "show my work" (so I can refer back to it, smile) re how to put a hashed .pdf document on the blockchain, a subject I am interested in.

"Experiment: Saving a .pdf with proofofexistence.com"

http://goo.gl/va382z

Saving (hashed values of) documents on the blockchain has become a hot topic in Bitcoinistan™ lately, I am trying in my own way to learn more.  Someone, IMO, will make some serious money with this...