The search took forty-seven hours.
The "Verification" code itself is a complex encryption algorithm known as "Cypher-Omega." It suggests that there are other shelters in the 1100 series—V1137, V1139—hidden across the continent, all dormant, all waiting for their codes to be found. fallout shelter v1138 verified
“The shelter’s full designation. V1138. It’s not a number. It’s a code.” He pulled a worn leather notebook from his pocket and flipped to the first page. “The builders left a manifest. A real one, on paper. I’ve had it since I was a boy.” The search took forty-seven hours