. . . . . "The DOIs are the best way to permanently identify a given digital object, in a format controlled by the International DOI Foundation. We have an agreement with DataCite and this will guarantee the cross-domain findability. When a DOI is not available, users can specify a persistent internal identifier." . . . . "2020-12-31"^^ . "2020-01-01"^^ . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCoKFb7LKlXyBB7BUvjFF9bDJNk0WxH3Xerr4H3v/VCiRVshEDl3BZVekbMMmdRe+TOPyc8AOLd9IAL2VfVVD/T0rmCHk7Pw7DQjI96mwyeXhE7f4g0WG5UT5Pxxm0Rzy7IrYnEaaVDs7dkZUt952M6qWlHfTwCQDcXJhZfLiXoMwIDAQAB" . "b33Qb1pFwTUr4X2MQm7ptB2xI1OnnhwpW0OrkCBCCLbf/I1pN1GOLZHKu6xKuqUOHgF80d4nEmFC4QbheTdAwb6kR1aQFpZvCzRkfuKuzklIadGdrSzeBxoUT6wlUCdL2cKksAPDk/r06gtHvzNth32Fw5PW+IFeGiu2yA66jTk=" . . "2023-04-17T00:45:00Z"^^ . . . .