Generate random UUID v4 identifiers using cryptographic randomness.
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576384d9-ab65-4d70-aea1-c0d2c04a9f2d
2fe58a6b-3b6b-4baa-8748-0af69c9db1a9
6b07de5b-d4ae-439a-b1e3-ee8309c575d8
b0b409b9-1d13-418c-aa2c-a47ba032701a
ef48c2b8-4b6f-4d2e-adde-7a95d467b265
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What is a UUID?
A UUID (Universally Unique Identifier) is a 128-bit identifier that is practically guaranteed to be unique. UUID v4 uses random numbers, making collisions essentially impossible. They're widely used as database primary keys, session tokens, and correlation IDs.