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nix/doc/manual/source/protocols/json/hash.md
John Ericson 13b44742a4 JSON for Hash now has to be Base16
Fix #14532.

As discussed on the call today:

1. We'll stick with `format = "base16"` and `hash = "<hash>"`, not do
   `base16 = "<hash>"`, in order to be forward compatible with
   supporting more versioning formats.

   The motivation we discussed for someday *possibly* doing this is
   making it easier to write very slap-dash lang2nix tools that create
   (not consume) derivations with dynamic derivations.

2. We will remove support for non-base16 (and make that the default, not
   base64) in `Hash`, so this is strictly forward contingency, *not*
   yet something we support. (And also not something we have concrete
   plans to start supporting.)
2025-11-10 16:43:54 -05:00

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Markdown

{{#include hash-v1-fixed.md}}
## Examples
### SHA-256
```json
{{#include schema/hash-v1/sha256-base16.json}}
```
### BLAKE3
```json
{{#include schema/hash-v1/blake3-base16.json}}
```
<!-- need to convert YAML to JSON first
## Raw Schema
[JSON Schema for Hash v1](schema/hash-v1.json)
-->