. . . . . "Metadata records using DOIs are compliant with RDF. " . . . . "2021-12-31"^^ . "2021-01-01"^^ . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCoKFb7LKlXyBB7BUvjFF9bDJNk0WxH3Xerr4H3v/VCiRVshEDl3BZVekbMMmdRe+TOPyc8AOLd9IAL2VfVVD/T0rmCHk7Pw7DQjI96mwyeXhE7f4g0WG5UT5Pxxm0Rzy7IrYnEaaVDs7dkZUt952M6qWlHfTwCQDcXJhZfLiXoMwIDAQAB" . "GY33XukpOpDhTPQZMzaqk4w0bYZz9CpywNkGo1OoeuP8vtCpWES6KeePYVKCzqO/gOOwLW4GMHoQuFDrT+bb+o29MPuYwkqh0S5ru2OEsEOdYr6HLtVWQT5yPDierQfC1r/F2i4iHrh/imHHUsMCgszJhDorKkS1E9se58Udufw=" . . "2023-04-25T06:31:52Z"^^ . . . .