According to the metadata of the ďŹ le, the passport was scanned with an HP Scanjet N6350. You have all the metadata here.
We did an extensive study with the image analysis website fotoforensics.com. This tool is based on differences in resolution and can determine if there is any manual retouching. As you can see, the scan does not look photoshopped at all. The passport photograph of Nakamoto has a blue background, which seems more standard than the original picture we sent. This face is a high resolution reconstitution of the low deďŹ nition portrait typically used to represent Nakamoto. There were no credits for this picture. We discovered that it is from a video produced by The National Geographic in 2011 about the average human. This is very interesting: to represent Nakamoto, they used the picture of someone who is both anybody and everybody.
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