index download url: https://zlib.r2.zu1k.com/index_0.4.zip
sha256sum: 187d2b4bd2526406882458cdc6b37428ae0722de0c539dfde35778b3fff83be4 index_0.4.zip
You can also download the index splited according to the size of 1G in the release:
# sha256sum index_0.4_*
26b93f0306e4c7e5161b8dc539c206e19f1a08c3fc59d75168e4bb659c84feee index_0.4_split.z01
6bd4456b03befe7280b86108abf359116d32e31e310f4a45f1dd03a0d0f2ff95 index_0.4_split.z02
e8c3e24d7193fb690f5a4f32d05a25514fcfa9e577bdf9df529d3358c9d1b333 index_0.4_split.zip