DOI
Digital Object Identifier (DOI), standardized by ISO 26324, are unique persistent interoperable identifiers for any physical and digital objects, often used for research and official publications. They can be resolved to their linked resources by an URI on doi.org
Available to all SRX running 12.3X48+
Available to all MX running 20.2R1+
Available to all vSRX running 20.3R1+