Analysis of information sources in references of the Wikipedia article "Digital object identifier" in English language version.
Assuming the publishers do their job of maintaining the databases, these centralized references, unlike current web links, should never become outdated or broken
All DOI prefixes begin with "10" to distinguish the DOI from other implementations of the Handle System followed by a four-digit number or string (the prefix can be longer if necessary).
Over 18,000 DOI name prefixes within the DOI System
The registrant code may be further divided into sub-elements for administrative convenience if desired. Each sub-element of the registrant code shall be preceded by a full stop.
Assuming the publishers do their job of maintaining the databases, these centralized references, unlike current web links, should never become outdated or broken
All DOI prefixes begin with "10" to distinguish the DOI from other implementations of the Handle System followed by a four-digit number or string (the prefix can be longer if necessary).
Over 18,000 DOI name prefixes within the DOI System
The registrant code may be further divided into sub-elements for administrative convenience if desired. Each sub-element of the registrant code shall be preceded by a full stop.