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lsusb -v shows the same information for both devices (except of ever growing device number when reconnecting device)
All the attributes of the devices are identical, so it’s not possible to differenciate them by sort of uuid.
How do I differenciate these identical USB devices?
You can use
lsusb -t, which prints the physical tree, it gets its information by parsing/proc/bus/usb/devices. see the Documentation/usb/proc_usb_info.txt file for information on the format, if you’re going to parse it yourself, but basically eachT:line gives you the parent device id and port on same