Praesigenic

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Praesigenic is a system origin term that means a system doesn't want their origin known, or doesn't want to tell that specific person.

It's intended as a "fuck you" to the person asking. This can be for any reason, including safety or spite.

History
The term was originally coined in a discord conversation between two (or more) systems on November 15, 2019. The flag was then posted publicly on March 6th, 2020, by one of the members of the conversation, tumblr user not-your-introsource.

On October 27, 2020, tumblr user maple-system posted screenshots that argued not-your-introsource/Mala had taken the term and publicly claimed it was its own.

Related Terms
Quoigenic, congenic, and cryptogenic are other origin terms that can be used as ways to avoid providing an origin.