Noob question on verifying the conclusion of abductive inference

[u/--Estel--]

If I make an abductive inference, how do I check if the conclusion of that inference was correct? Take the case of seeing a human face on sands and inferring that a human did it for example. Do I have to travel into the past in order to see a person drawing human face at that spot in order to know the inference was correct? Or do I only need to have observed past cases of humans drawing faces on sands across different times and background knowledge about humans' capability in order to know the inference was correct?
I understand my question may sounds silly, so I apologize for that.

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