---
title: "Get signed Docker image digest"
method: GET
path: "/watchtower/digest"
tags: ["General APIs with JWT"]
---

# Get signed Docker image digest

`GET /watchtower/digest`

Returns the current Docker Hub digest for the default executor image, signed by the validator's Bittensor hotkey. Executors use this to verify they are running the correct image via Watchtower.

## Response `200`

Signed digest payload

- unknown

## Other responses

- `502` — Failed to fetch digest from Docker Hub

---

[API](https://skmtc.dev/lium/apis/lium-backend-api.md) · [All operations](https://skmtc.dev/lium/apis/lium-backend-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/lium/lium-backend-api/revisions/57db0a9348db/schema)