---
title: "Content-addressed blob hashes"
date: "2026-08-16"
---

<Warning>
**The blob write response field changed from `id` to `hash`.** Regenerate API clients from version `0.2.0` of the OpenAPI spec. Older generated clients fail when the response no longer contains `id`.
</Warning>

## More

<Accordion title="API">
- Blob read routes now name the path parameter `blobHash`, and blob write responses return the SHA-256 value in `hash`
</Accordion>

<Accordion title="Improvements">
- Run dump hydration now shares a blob cache across JSON and text output
</Accordion>
