For dataminers and preservationists, these builds are gold. They show how the game became what it is. They answer questions like:
Fixed issues where it was difficult to catch certain Pokémon. Pokemon Legends Arceus -01001F5010DFA800--v1966...
This appears to be a formatted identifier string tied to Pokémon Legends: Arceus — likely representing either a save-file ID, a mod/ROM build identifier, a cartridge or title key reference, or a developer/internal version tag. The string breaks into several parts that suggest different kinds of metadata: a base product name, a hex-like token, separator markers, and a version suffix. For dataminers and preservationists, these builds are gold