Format guide
SHA-512 checksum
Secure Hash Algorithm 512 (FIPS 180-4)
SHA-512 produces a 512-bit (128 hex character) fingerprint. Larger output than SHA-256 with no practical security difference for typical use, but standard for high-assurance contexts (government, military, enterprise compliance). Frequently faster than SHA-256 on 64-bit hardware because it processes 1024-bit blocks. Used in many BLAKE-family algorithms as a primitive.
How to open a SHA-512 checksum file
Verify with `shasum -a 512 -c file.sha512`. The longer hex string is awkward to compare visually but copy-paste verification works the same as SHA-256.
Primary use
High-assurance file integrity (government, enterprise compliance).
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