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If you start with an ARK, you benefit from being able to keep the original identifier through to public release as the metadata matures. Many objects go through intensive development and revision phases, sometimes lasting years, in during which they are too immature to meet most metadata requirements. Nonetheless every object needs some sort of identifier from conception to maturity, where maturity could look like public release and further enhancement, or abandonment. It is easy to abandon ARKs that have not been released into the world.
Like the object itself, metadata elements need a flexible place to grow and mature over time:
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Yes. As mentioned above regarding early object development, if you start with an ARK, you benefit from being able to keep that original identifier through to public release as the metadata matures. If you For some of the objects you save you may also want a DOI, that would become a second object identifier to maintain.
Assuming you wish to maintain both the new ARK and old DOI identifiers (to avoid breaking links that your collaborators had stored and bookmarked), an easy way forward is to set up the DOI to redirect to the ARK. In this way you could can ensure correct resolution of both identifiers but while only having to maintain the ARK.
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Although inflections are commonly associated with ARKs, they are not "owned" by ARKs. In fact, contrary to popular belief, identifiers don't do anything – it's their resolvers that do or don't support such features. So for example, inflections and suffix passthrough are supported by n2t.net for all identifier types, but not by doi.org or handle.net for any identifier types.
When should I use ARKs compared to DOIs, Handles, PURLs, or URNs?
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- ARKs have seen broad adoption in cultural memory institutions – museums, archives, and libraries. There is especially strong adoption in France and francophone regions.
- DOIs until recently have mostly been known as reliable identifiers for scientific and scholarly literature, when in fact these are actually this applies to a subset of DOIs assigned via Crossref. What it means to be a DOI in general is becoming harder pin down because DOIs are being assigned to datasets, data management plans, field stations, etc. via DataCite, as well as to movies (eg, "Kung Fu Panda") via EIDR. Having said that, Crossref and DataCite DOIs have been successful in creating tools and services for scholarly publishers of literature and research data.
- PURLs have seen lots of use in identifying metadata vocabulary and ontology terms.
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https://gallica.bnf.fr/ark:/12148/btv1b8449691v/f29
Running Having to run and maintaining maintain your own resolver is the cost of complete autonomy. Having Using your own resolver also lets you insert do branding in via the hostname, the downside being that brands are transient and tend to make identifiers fragile. Political and even legal (eg, trademarks) pressures may make supporting older branded hostnames, hence their identifiers, difficult.
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