currently slightly ahead of MIxS 6.0: https://raw.githubusercontent.com/microbiomedata/mixs/1da849346a80b717810a02d7c8ed74a22bcd84de/model/schema/mixs.yaml change to: https://raw.githubusercontent.com/GenomicsStandardsConsortium/mixs/v6.2.0/src/mixs/schema/mixs.yaml see also - https://github.com/microbiomedata/nmdc-schema/issues/299