>>5215472 (pb)
This is email id :
763
https://wikileaks.org/clinton-emails/emailid/763B79E9-EA56-4EBD-A42A-2
is the same as:
https://wikileaks.org/clinton-emails/emailid/763
the other digits don't matter.
The chance of finding a WL email based on image id with a number at the beginning is 100%
because they are all numerical and the URL reads the first numbers in the string up until a letter or dash.
nothing special.
I'm not even sure if you are sure what your point is supposed to be.