Looks real to me, too. I can imagine that the power of his resurrection was powerful enough to imprint the image. What a neat thought.
The image was formed by an energetic event; the “energy” went straight up and straight down. That has long been established.
Now....we’re trying to determine exactly what KIND of energy; precisely what energetic process was involved. It’s fascinating, frankly.
It’s also totally unique. When we all die, we become worm food.
Not this guy.