"$had_persisted_distinct_id" what is

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I apologize, but I don't have any specific information about a property called "$had_persisted_distinct_id" in Mixpanel from the provided knowledge sources. This property is not mentioned in any of the documents I have access to.

Mixpanel does use various reserved properties for identity management and tracking, but this particular property is not listed among the reserved properties or default properties in the documentation I have.

If you're seeing this property in your Mixpanel data, it might be a custom property specific to your implementation or a property used in a newer version of Mixpanel that isn't covered in the provided documentation.

For the most up-to-date and accurate information about Mixpanel properties, I recommend checking the official Mixpanel documentation or contacting Mixpanel support directly.

ℹ️ Tip: Mention @kapa.ai in the thread for follow-ups or DM the app for 1-to-1 help.