> This page is for NeMo Relay, version v0.10.0.
> For other versions, use one of these documentation indexes:
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> - dev: https://docs.nvidia.com/nemo/relay/dev/llms.txt
> - v0.10.0: https://docs.nvidia.com/nemo/relay/v0.10.0/llms.txt
> - v0.9.4: https://docs.nvidia.com/nemo/relay/v0.9.4/llms.txt
> - v0.8.4: https://docs.nvidia.com/nemo/relay/v0.8.4/llms.txt
> - v0.7.3: https://docs.nvidia.com/nemo/relay/v0.7.3/llms.txt
> - v0.6.0: https://docs.nvidia.com/nemo/relay/v0.6.0/llms.txt
> - v0.5.0: https://docs.nvidia.com/nemo/relay/v0.5.0/llms.txt

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# Module canonicalize

> RFC 8785 JSON Canonicalization and whitespace normalization for cache stability.

Generated from `cargo doc --no-deps -p nemo-relay -p nemo-relay-adaptive -p nemo-relay-pii-redaction -p nemo-relay-ffi -p nemo-relay-types -p nemo-relay-plugin -p nemo-relay-worker-proto -p nemo-relay-worker`.

RFC 8785 JSON Canonicalization and whitespace normalization for cache stability.

This module provides deterministic JSON serialization (RFC 8785 / JCS) and whitespace normalization so that semantically equivalent content always produces byte-identical output. This is critical for cache key stability: without canonicalization, tool schemas or JSON content with different key orders would produce different hashes and miss the cache.

## Public functions

* [`canonicalize_json`](/reference/api/rust-library-reference/nemo-relay-adaptive/acg/canonicalize/fn-canonicalize-json) - Canonicalize a JSON string per RFC 8785.
* [`canonicalize_value`](/reference/api/rust-library-reference/nemo-relay-adaptive/acg/canonicalize/fn-canonicalize-value) - Canonicalize a `serde_json::Value` per RFC 8785.
* [`normalize_whitespace`](/reference/api/rust-library-reference/nemo-relay-adaptive/acg/canonicalize/fn-normalize-whitespace) - Trim and collapse whitespace in text content.
* [`sha256_hex`](/reference/api/rust-library-reference/nemo-relay-adaptive/acg/canonicalize/fn-sha256-hex) - Compute SHA-256 hex digest with `"sha256:"` prefix.

## Functions

* [canonicalize\_json](/reference/api/rust-library-reference/nemo-relay-adaptive/acg/canonicalize/fn-canonicalize-json): Canonicalize a JSON string per RFC 8785 (JCS).
* [canonicalize\_value](/reference/api/rust-library-reference/nemo-relay-adaptive/acg/canonicalize/fn-canonicalize-value): Canonicalize a `serde_json::Value` per RFC 8785.
* [normalize\_whitespace](/reference/api/rust-library-reference/nemo-relay-adaptive/acg/canonicalize/fn-normalize-whitespace): Normalize whitespace in text content.
* [sha256\_hex](/reference/api/rust-library-reference/nemo-relay-adaptive/acg/canonicalize/fn-sha256-hex): Compute SHA-256 hex digest with `"sha256:"` prefix.