Created with:

sourmash scripts index podar-ref-subset.sig.zip -o podar-ref-subset.branch0_9_5.rocksdb -s 100_000 -k 31

using sourmash_plugin_branchwater v0.9.5.

This version of RocksDB/RevIndex uses external storage,
so the zip file must be present in the cwd in which you are searching.
