---
title: "Changes to Check image blob/layer"
method: HEAD
path: "/v2/{name}/blobs/{digest}"
---

# Changes to Check image blob/layer

`HEAD /v2/{name}/blobs/{digest}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 37 revisions.

- **2026-10-05** `fba44d54755f`: 4 info
- **2026-03-29** `d4080fc55805`: 1 warning
- **2022-05-22** `70a742cfacf2`: 1 warning
- **2021-10-21** `81b68c5e4fde`: 1 warning

## Changes

- **2026-10-05** `fba44d54755f`: 4 info
  - added the non-success response with the status `400`
  - added the non-success response with the status `404`
  - added the non-success response with the status `500`
  - added the non-success response with the status `503`
- **2026-03-29** `d4080fc55805`: 1 warning
  - the optional response header `constants.DistContentDigestKey` removed for the status `200`
- **2022-05-22** `70a742cfacf2`: 1 warning
  - the optional response header `api.DistContentDigestKey` removed for the status `200`
- **2021-10-21** `81b68c5e4fde`: 1 warning
  - the optional response header `Docker-Content-Digest` removed for the status `200`

---

[Operation](https://skmtc.dev/project-zot/apis/open-container-initiative-distribution-specification/docs/v2/:name/blobs/:digest/head.md) - [API](https://skmtc.dev/project-zot/apis/open-container-initiative-distribution-specification.md) - [Page](https://skmtc.dev/project-zot/apis/open-container-initiative-distribution-specification/changes/v2/:name/blobs/:digest/head)