As a matter of practice, the Secretariat will ‘decommission’ and remove earlier versions of documents from GBIF through the following series of steps:
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Register a GBIF DOI via DataCite for the previous version of the document (provided that one does not already exist)
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Produce an archival standard version (PDF/A) of the document—or documents, if translations are available
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Deposit the file(s) in Zenodo with the assigned DOI
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Update the DataCite metadata to resolve the DOI to the new Zenodo deposit
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Include a reference to the earlier version in the current document’s metadata on GBIF.org (e.g. https://www.gbif.org/document/80925)
This approach achieves several key goals:
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Previous versions will be permanently discoverable using a persistent identifier
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GBIF will no longer have to manage either the old file or its URL (or, as is more often the case, URLs, plural)
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Users searching on GBIF.org will retrieve only the current documents, which then reference older versions