. . . . . "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." . . . . "2022-12-31"^^ . "2022-01-01"^^ . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCoKFb7LKlXyBB7BUvjFF9bDJNk0WxH3Xerr4H3v/VCiRVshEDl3BZVekbMMmdRe+TOPyc8AOLd9IAL2VfVVD/T0rmCHk7Pw7DQjI96mwyeXhE7f4g0WG5UT5Pxxm0Rzy7IrYnEaaVDs7dkZUt952M6qWlHfTwCQDcXJhZfLiXoMwIDAQAB" . "nNAn41ManPb7NONQyvMxasb6tEs61tA0jz7dMjK7qsJQGGm3HwADYmYluzgf4IGPKAZPZ0vf2kEiHQGNdRmlVVSZDbTvRMAdQs4qBb39nBxmz7zpgUeE6bohhHIEYhu1xuCK1nIIKOdDl+bbmZ8HB6TxCedTHTkANJRY64gCWWI=" . . "2023-04-25T04:36:19Z"^^ . . . .