{
  "id": "arxiv_id",
  "name": "arXiv identifier",
  "status": "draft",
  "doc": "Identifier of a preprint in arXiv. Since 2007 it is YYMM.NNNNN (four digits before 2015); older papers use the archive name and a seven-digit number, such as hep-th/9711200. A version suffix such as v2 may follow.",
  "categories": [
    {
      "id": "science",
      "name": "Scientific"
    },
    {
      "id": "publishing",
      "name": "Publishing and print"
    }
  ],
  "langs": [
    {
      "id": "common",
      "name": "Common to most languages"
    }
  ],
  "is_pii": false,
  "classification": "identifier",
  "regexp": "^(?:\\d{4}\\.\\d{4,5}|[a-z-]+(?:\\.[A-Z]{2})?/\\d{7})(?:v\\d+)?$",
  "examples": [
    {
      "value": "0806.2878"
    },
    {
      "value": "1109.1746"
    }
  ],
  "mappings": {
    "wikidata": "P818",
    "bioregistry": "arxiv"
  },
  "links": [
    {
      "type": "wikipedia",
      "url": "https://en.wikipedia.org/wiki/ArXiv"
    },
    {
      "type": "doc",
      "url": "https://info.arxiv.org/help/arxiv_identifier.html"
    },
    {
      "type": "wikidata",
      "url": "https://www.wikidata.org/wiki/Property:P818"
    }
  ],
  "type": "datatype",
  "wikidata_property": "P818",
  "translations": {}
}