. . . . . "DDI is used by researchers in the community. " . . . . "2050-01-01"^^ . "2023-02-28"^^ . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCoKFb7LKlXyBB7BUvjFF9bDJNk0WxH3Xerr4H3v/VCiRVshEDl3BZVekbMMmdRe+TOPyc8AOLd9IAL2VfVVD/T0rmCHk7Pw7DQjI96mwyeXhE7f4g0WG5UT5Pxxm0Rzy7IrYnEaaVDs7dkZUt952M6qWlHfTwCQDcXJhZfLiXoMwIDAQAB" . "EScrk5P4EpQiaWFLm2JMH3h3TJeyGZyPyeWwiCnmrjpLRWo3GBu35rRA8IBi6tMvnmoBF+Y/FVpcgTUrNQy4XkEAz69q1ZvjAM0RalfwSsIFU/R27jKTJvuTri3J2xF9lbGRLQXEys1mvKWou6MM0CNBWJ0YE2u3ivg3VlT1l9w=" . . "2023-07-04T12:23:27Z"^^ . . . .