Module hash 

Canonicalization and Semantic Hashing

BLAKE3 hashes over canonical payloads detect meaning drift across retries and multi-hop flows.

Functions

canonicalize

Canonicalize a JSON value for deterministic hashing

hash_canonical

Compute semantic hash from a canonical string (already canonicalized)

semantic_hash

Compute the semantic hash of a JSON value

verify_hash

Verify that a payload matches its declared semantic hash