. . . . . "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" . "bwNn4YZmgSmZjwZ0KCntrSOapaobw56zUxdbWi3r93PMd29oIroc7shli3iyrd8MYP3BrPk4x3xhUmU0MQFMVRXDCr36BWVa/5c45dZ/Aa3wa95Lm5e9MsWWhRFzrW+VVMtEUQ97yIUwyh3y5cmjqVVauRbVcGM4Qc4B8FsI7Ms=" . . "2023-04-24T19:49:06Z"^^ . . . .