UUID v5
What this is
v5 hashes namespace UUID + name with SHA-1 and plants version 5 bits. DNS and URL namespaces are standardized. Use v5 when you need the same id for 'example.com' every time, without a lookup table.
Open the generator — v4, v7, and v5 in this tab.
FAQ
- v3 vs v5?
- v3 is MD5. Prefer v5. Both are deterministic; neither is a password hash.