This is a gadget cache located at the posted coordinates. In order to sign the log, you will have to solve a field puzzle to obtain the lock combination. After entering the combination, squeeze the shackle to release the lock. After you are finished and have closed the lock, please spin the numbers to hide the combination.
If you want to check your solution, a certitude checker is provided below. Enter the four-digit combination to validate your solution.
You can validate your puzzle solution with
certitude.