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> It costs some money to get a DOI Can't be too much, seeing as I can put a semi-unlimited number of PDFs up on Figshare and get DOIs for them for free.

• Vinnl 9y ago
  IIRC it's about a dollar a piece.
  • sitkack 9y ago
    A number that points to a URL costs a dollar. At 4k per DOI, you can store 1/4 million of them per GB. They are basically MAC addresses for documents.