The geocache is NOT at the posted coordinates. To find it, you'll need to figure out what these X numbers are.
X765822600
X140702600
X092426130
X140702600
X265020440
X206563670
X268649900
X265020440
X206563670
X206563670
X364832790
X140702600
X541565450
X140702600
X060427441

You can validate your puzzle solution with certitude.
[puzzle]n punatr va crefcrpgvir zvtug or urycshy
[final]zrgny fdhner jvgu 3/4 ba vg.