Usually the thematic name of the collection or the handle of the group that curated the files.
The legend of Little Pirate LSP-007 begins on the shores of Saltwater Island, a place where the waves whisper secrets and the sand holds more gold than the governor’s vault. Unlike the grizzled, bearded captains of the high seas, LSP-007 was a pint-sized adventurer with a wooden sword and a "verified" compass that always pointed toward trouble—or treasure. The Mystery of Island Issue 06 lslandissue06littlepirateslsp007 verified
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Could you clarify where you encountered this ID or what (e.g., a specific game, magazine, or software archive) it is connected to? Usually the thematic name of the collection or