Our multiple resolution feature allows multiple URLs to be registered for a single DOI. The DOI will resolve to an interim page which presents a list of link choices to the end user. Publishers most commonly implement multiple resolution for content with co-hosting agreements.
Multiple Resolution operates by directing the DOI to a service hosted by Crossref which uses a HTML template to present a branded page (known as an interim page) to the end user. Templates may be assigned on a title or prefix basis (e.g. a unique template per publication title, or one template for all titles associated with a given prefix).
Multiple resolution typically involves coordination between a primary depositor and a secondary depositor, the primary depositor being the content owner, and the secondary depositor(s) being additional entities with permission to assign additional URLs to a DOI. The primary depositor deposits metadata for a DOI and creates the multiple resolution interim page, whereas the secondary depositor supplies URLs. A member may opt to be both the primary and secondary depositor, in which case step one can be skipped.
Steps involved in depositing Multiple Resolution DOIs:
- Establish permissions: the primary depositor notifies Crossref of their intention to deposit Multiple Resolution DOIs
- Create an interim page template: an interim page template is constructed and sent to Crossref (typically this is done by the primary depositor)
- Unlock DOIs: the primary depositor deposits (if necessary) and unlocks DOIs for Multiple Resolution.
- Register secondary URLs: when a secondary URL is registered for a DOI the DOI will resolve to the interim page provided in step 2.
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