This is the Verification Server for https://f-droid.org. It rebuilds apps from source that were built by f-droid.org and checks that the results match. The results are reported in per-app and per-version JSON files (e.g. org.fdroid.fdroid.json and org.fdroid.fdroid_1020050.apk.json). If the app files do not match, then there is also output from diffoscope in HTML.
The hardware resources to run this are provided by