{
  "id": "publisher_item_identifier",
  "name": "Publisher Item Identifier (PII)",
  "status": "draft",
  "doc": "Identifier of an article or chapter, used since 1996 by Elsevier, the American Chemical Society, the American Physical Society, IEEE and other publishers. It has 17 characters: S for a serial or B for a book, the ISSN or ISBN of the publication, for serials two more digits (often the year), a five-digit item number and a check character. In print it is often punctuated as Sxxxx-xxxx(yy)iiiii-d. Elsevier uses the PII as the item part of its DOIs.",
  "categories": [
    {
      "id": "publishing",
      "name": "Publishing and print"
    },
    {
      "id": "science",
      "name": "Scientific"
    }
  ],
  "langs": [
    {
      "id": "common",
      "name": "Common to most languages"
    }
  ],
  "is_pii": false,
  "classification": "identifier",
  "regexp": "^(?:S\\d{4}-?\\d{3}[\\dX](?:\\(\\d{2}\\)|\\d{2})\\d{5}-?[\\dX]|B\\d{9}[\\dX]\\d{5}[\\dX])$",
  "examples": [
    {
      "value": "S0960-894X(96)00515-X",
      "description": "Article in Bioorganic & Medicinal Chemistry Letters, printed form"
    },
    {
      "value": "S0960894X9600515X",
      "description": "The same PII as a 17-character string"
    },
    {
      "value": "S0960-894X(96)0051-X",
      "valid": false,
      "description": "The item number must have five digits"
    }
  ],
  "mappings": {
    "bioregistry": "pii"
  },
  "links": [
    {
      "type": "wikipedia",
      "url": "https://en.wikipedia.org/wiki/Publisher_Item_Identifier"
    }
  ],
  "type": "datatype",
  "translations": {}
}