. . . . . "Persistent identification of research sites and observation facilities." . . . . "2019-12-31"^^ . "2019-01-01"^^ . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCoKFb7LKlXyBB7BUvjFF9bDJNk0WxH3Xerr4H3v/VCiRVshEDl3BZVekbMMmdRe+TOPyc8AOLd9IAL2VfVVD/T0rmCHk7Pw7DQjI96mwyeXhE7f4g0WG5UT5Pxxm0Rzy7IrYnEaaVDs7dkZUt952M6qWlHfTwCQDcXJhZfLiXoMwIDAQAB" . "A1XTXxzNCMb70F2HAMDNvdJZ0jBDqpybaF1ySEqccEiUiTKRAEcWtCbBFf9KWmitnd4s7fmEGKqBW9Oklxu2a9VMNu1ZyOtYYgdRR1eQd66DExIXplS9kDHS4rpkOVOaqSDBKRecOMUKvWyY5TkK1xQ7FcV86zQRhL2kP6deQjs=" . . "2023-04-24T20:19:31Z"^^ . . . .