The Cache is not at the posted coordinates, they are next to the Cornelius Low House.
You must complete the "Augmented Reality - The Cornelius Low House" Adventure Lab to obtain the coordinates to this cache. This cache is a bonus for completing the Adventure Lab.
After you complete "Augmented Reality - The Cornelius Low House" Adventure Lab, the final coordinates for this bonus cache will be displayed in the Adventure Lab app within the Journal.
Use the Groundspeak Adventure Lab app and locate the link for "Augmented Reality - The Cornelius Low House" or scan the QR code below.
If you do not wish to download a third-party app to complete the "Augmented Reality - The Cornelius Low House" Adventure Lab, you may alternatively solve this puzzle to obtain the final coordinates:
N Action Approve Contract Arms
W Came Appear Bottom Art