System Fingerprint is different for the same seed and same model, other parameters also same

Hi,

I was wondering whether you could help with something.
I observed that for the same model, same seed and the same parameters the system fingerprint changes if I call the chat completions API in a loop. Is this expected? Is it because this feature is in beta? I was hoping to use seed and system fingerprint combination to detect any back-end changes in the OpenAI API. It would be great if you could assist.

Thanks!

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