It's most likely a random number as it is in UUID version 4 format. The version identified by the 4 and the b in the correct spots "6d4061b1b-a7ee-4a9e-b0ae-509617252b42" (see http://en.wikipedia.org/wiki/Universally_Unique_Identifier#V...). Person who placed the geocache probably wanted a way to google anyone who found it.
UUID v4 seems kind of plausible, although it has no advantage at all over a random string if you just wanted to google. What is interesting is that caches on geocaching.com are identified by v4 UUIDs. But this one doesn't turn up anything. The person with the UUID idea has the number wrong, incidentally, it's
http://www.reddit.com/r/AskReddit/comments/axth9/i_found_thi...
It's most likely a random number as it is in UUID version 4 format. The version identified by the 4 and the b in the correct spots "6d4061b1b-a7ee-4a9e-b0ae-509617252b42" (see http://en.wikipedia.org/wiki/Universally_Unique_Identifier#V...). Person who placed the geocache probably wanted a way to google anyone who found it.