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* An important distinction: DIOs vs. IDOs
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** An important distinction: DIOs vs. IDOs
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  :CUSTOM_ID: diovsido
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  \begin{quote}
    The term “Digital Object Identifier” is construed as “digital identifier
    of an object,\" rather than “identifier of a digital object”
    \hfill Norman Paskin. 2010
  \end{quote}
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*** DIO (Digital Identifier of an Object)
    digital identifiers for (potentially) *non digital objects*
      - epistemic complexity (manifestations, versions, locations, etc.)
      - need an *authority* to ensure persistence and uniqueness
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*** IDO (Identifier of a Digital Object)
    digital identifiers (only) for *digital objects*
      - can provide both *integrity* and *no middle man*
      - broadly used in modern software development (git, etc.)
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***
    Software Heritage provides intrinsic *IDOs* for all archived artefacts
