UUID stands for 'Universally Unique Identifier', it is a 128-bit integer number used to identify resources and is used everywhere by developers. GUIDs are very unique and the chances of generating a duplicate in day to day operations are practically zero!
9096F5C0-CDC6-41B8-9856-072F28AED504
A47A5441-3986-456B-8CE7-EBB5DFA461F1
3B6A8524-03C9-47B5-976D-72420E482694
5C65A73F-BB42-497A-BA43-B9EA407DFDCD
1D524E26-A244-443F-B26D-7809FE605C1C
81CC5A2A-D654-4CCC-B3A8-FF7557FE9776
02357D22-9EC5-455C-B885-38B1774C2A65
011415BA-57A1-4EDE-92AB-3A0FA0C7A364
07648577-C6B5-4D86-9488-59B3B33F27D5
CBDE586D-24C7-46C2-A16D-85B6C1660F01
368DD253-DCB8-4D64-B03D-141074DD0237
FB67B2D1-3EB5-449B-8BF7-3FB5085D10D3
49DCE9EC-9D2A-42FF-A0DC-718AAA1EB078
A8C91B0E-BC2C-4150-8281-165A0A48E9FA
6568CF92-886E-473B-BFBC-1FF24BE3EAB6
227F3A15-93D2-4C7A-B6B0-A1C651C9C216
58B9F582-E107-4567-8744-C71CA406CD76
EB9E3FD1-7F4A-4F34-BB4C-4E99E5BB82CF
E9D5A253-94B5-4A1F-A949-DCA70358F259
41AA32A7-AA6E-4B2C-8C8C-CA792A9AB49B
C9C0757B-F0A2-452B-9CED-23EE801FFF31
F04DA062-4609-415C-984A-24EB45338A6B
D9C18E90-14CA-4D48-94DF-61EC0F27DE3E
01DDBFC3-B6B6-48ED-A66F-861D4F79FFA8
C0B0FDFB-895B-49D3-B636-09120BE64ECC