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Glossary: AI Security and Guardrails

Hash

Also written: hashing, SHA-256, sha256, hashlib

A fixed-length fingerprint of any text, produced so the same text always gives the same result. It is used to name cached replies, to pin packages with `--require-hashes`, and to fingerprint tool definitions so changes can be detected.

Where the book teaches it

Related terms

PinnedRug pull