Index of /extracts shows the following file dates:
europe-latest.osm.pbf 2022-04-03 12:58 29G
europe-latest.osm.pbf.md5 2022-04-01 02:57 49
europe.osm.pbf 2022-04-03 12:58 29G
europe.osm.pbf.md5 2022-04-01 02:57 49
europe.state.txt 2022-04-03 13:24 86
Also aria2 downloader raises checksum error.
This was noticed some time ago in this thread but still broken: