• ramble81@lemm.ee
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      4 days ago

      I thought they were unique per printer not just type. More akin to a serial number instead of a model number.

      • kersploosh@sh.itjust.worksOP
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        4 days ago

        That is my understanding. And I assume the dot patterns are made by printers worldwide. The article mentions Dutch law enforcement using them, and German researchers studying them.