The cache is not at the posted coordinates!
One of my favorite webcomics is XKCD. A long time ago this comic appeared:

I tried Geohashing a few times but the daily location never seemed to be in a convenient spot. Sadly, the app no longer works. But, while trying to think of a way to turn the concept into a geocache I came across something related and easily used for geocaching. Good luck.
To find the cache, solve the following puzzle:
9v6sb50x6myx

You can validate your puzzle solution with certitude.