PDS_VERSION_ID = PDS3 RECORD_TYPE = "STREAM" OBJECT = TEXT NOTE = "Description of the INDEX directory" PUBLICATION_DATE = 2012-01-08 END_OBJECT = TEXT END This directory contains the required index for the volume, in "index.tab" and any other additional indices created to support the data. It also contains the checksum.tab file and its label. This file contains MD5 checksums for every file in the volume except itself and its label.