ORNL DAAC Catalog https://thredds.daac.ornl.gov/thredds/catalog/ornldaac/1033/catalog.html

Dataset Size Last Modified
     Folder  ISLSCP II GPPDI, Net Primary Productivity (NPP) Class B Point Data   --
         global_point_NPP.nc4 130.9 Kbytes 2013-09-06T19:41:31Z

ORNL DAAC TDS at ORNL DAAC see Info
THREDDS Data Server [Version 4.6.16.1 - 2021-03-11T18:21:07-0500] Documentation