Xt Universal — Serial Number Style Works

You are defining or documenting the exact format, checksum, or encoding of serial numbers for a product called XT Universal. Suggested structure:

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The final piece of the puzzle— Universal —is the most critical. Historically, every factory, every brand, and every software suite used proprietary serialization. This led to "data silos." A "Universal" style works across: You are defining or documenting the exact format,