Get robot serial number (or other unique ID) with Karel?

  • Is there a way to retrieve the robot and/or controller serial numbers with Karel? Or any other unique identifier of a robot?

    I have a few Karel programs that I want to lock to a particular robot and prevent people spreading them on other robots, so I want to add a check for something unique, something that a user cant change through the controller?

    I found two system variables 'FNO' and 'PRODUCT_ID' but the values of both of these variables can be changed.

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