You can check the list of filesystem objects in your Pachyderm repository by running an S3 client ls command.
Tool:
aws --endpoint-url http://localhost:30600 s3 ls
# 2021-04-26 15:09:50 master.train.myproject
# 2021-04-26 14:58:50 master.pre_process.myproject
# 2021-04-26 14:58:09 master.split.myproject
# 2021-04-26 14:58:09 stats.split.myproject
mc ls local
# [2021-04-26 15:09:50 PDT] 0B master.train.myproject/
# [2021-04-26 14:58:50 PDT] 0B master.pre_process.myproject/
# [2021-04-26 14:58:09 PDT] 0B master.split.myproject/
# [2021-04-26 14:58:09 PDT] 0B stats.split.myproject/