Warning: Some posts on this platform may contain adult material intended for mature audiences only. Viewer discretion is advised. By clicking ‘Continue’, you confirm that you are 18 years or older and consent to viewing explicit content.
Interesting. I remember reading a news article before 2017 stating that printers used to do this, but the practice has since ended because someone was able to prove they were doing it in the mid-2000s. At the time, I saw some people on Reddit claiming they just switched to a new, harder to detect method, and everyone was saying they were conspiracy theorists.
On wikipedia there’s some suggestion that methods that involve intensity of toner/ink across a document could be used to uniquely identify a machine but no such methods are currently publicly known (at least as far as the Wikipedia article has been updated)
Interesting. I remember reading a news article before 2017 stating that printers used to do this, but the practice has since ended because someone was able to prove they were doing it in the mid-2000s. At the time, I saw some people on Reddit claiming they just switched to a new, harder to detect method, and everyone was saying they were conspiracy theorists.
On wikipedia there’s some suggestion that methods that involve intensity of toner/ink across a document could be used to uniquely identify a machine but no such methods are currently publicly known (at least as far as the Wikipedia article has been updated)
Digimarc
Source: I work in flexography.