How to obtain GUID(global unique identification code) from jetson xavier NX or other platform

We launching an AI project on jetson TX2 and Xavier NX. In consideration of some requirements about our model access, we want to get GUID from TX2 and NX to control model running. So, How can we get it?

In case we have the same understanding of GUID - this might help:

Hi dkreutz,
Thanks for your clue, and I got a uuid with instruction ‘sudo blkid’. But I don’t know whether it is fixed for one device. This is Derek from China, Jinan in Shandong.