We humans, a primitive and deeply unhappy species, don’t get off Earth very often. So, when we do leave Earth, we need to make sure we have the right information. The “Hitchhiker's Guide to the Galaxy” provides information on every planet in the Milky Way Galaxy.
In the distant past, a race of hyper intelligent, pan-dimensional beings created a supercomputer named “Deep Thought” to determine the answer to the "Ultimate Question to Life, the Universe, and Everything."
If you want this cache, then you need to enter the answer into the padlock. To solve the riddle, you must answer the Ultimate Question. The answer requires two digits after the zero: “0XX”
Good luck…and don’t forget to bring your towel!