. . . . . "DDI is used by researchers in the community. " . . . . "2050-01-01"^^ . "2023-02-28"^^ . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCoKFb7LKlXyBB7BUvjFF9bDJNk0WxH3Xerr4H3v/VCiRVshEDl3BZVekbMMmdRe+TOPyc8AOLd9IAL2VfVVD/T0rmCHk7Pw7DQjI96mwyeXhE7f4g0WG5UT5Pxxm0Rzy7IrYnEaaVDs7dkZUt952M6qWlHfTwCQDcXJhZfLiXoMwIDAQAB" . "ptdMAn/ngQ27ajJfdtVmcZitCpN3rajz3OYhE+8PaTHX307PSu4oz9/m9RjfvceWndpF/kpPaJ0yA++obsHeaTd/LjKYULN7uHPdINA/1Xdlb3zL/s7ZT28rjysEUe3qQuG9j1Ns33UPxauytfxJw8V5YNyu59/FYvtPjJyqG1Q=" . . "2023-07-13T19:25:06Z"^^ . . . .