{
  "id": "issn",
  "kind": "datatype",
  "status": "stable",
  "name": "International Standard Serial Number (ISSN)",
  "doc": "The International Standard Serial Number (ISSN) is an eight-digit serial number used to uniquely identify a serial publication, such as a magazine. The ISSN is especially helpful in distinguishing between serials with the same title. ISSNs are used in ordering, cataloging, interlibrary loans, and other practices in connection with serial literature.",
  "children": [
    "issn_l"
  ],
  "is_pii": false,
  "categories": [
    "objectids",
    "publishing"
  ],
  "langs": [
    "common"
  ],
  "classification": "identifier",
  "regexp": "\\d{4}-\\d{3}[\\dX]|\\d{8}",
  "examples": [
    {
      "value": "0317-8471",
      "description": "Example ISSN",
      "valid": true
    },
    {
      "value": "2049-3630",
      "description": "Example ISSN",
      "valid": true
    },
    {
      "value": "03178471",
      "description": "ISSN without hyphen",
      "valid": true
    }
  ],
  "mappings": {
    "autotype": "issn",
    "bioregistry": "issn",
    "schema_org": "issn",
    "stdnum": "issn",
    "wikidata": "P236"
  },
  "links": [
    {
      "type": "wikipedia",
      "url": "https://en.wikipedia.org/wiki/International_Standard_Serial_Number"
    },
    {
      "type": "wikidata",
      "url": "https://www.wikidata.org/wiki/Property:P236"
    }
  ],
  "detected_by": {
    "tools": [
      "autotype",
      "dataprep",
      "metacrafter",
      "pythonstdnum"
    ],
    "metacrafter_rules": [
      {
        "rule": "issnfield",
        "type": "field",
        "match": "text",
        "file": "common/media.yaml"
      },
      {
        "rule": "issnvalue",
        "type": "data",
        "match": "ppr",
        "file": "common/media.yaml"
      },
      {
        "rule": "issnvaluewithoutdash",
        "type": "data",
        "match": "ppr",
        "file": "common/objects.yaml"
      },
      {
        "rule": "objects_issnfield",
        "type": "field",
        "match": "text",
        "file": "common/objects.yaml"
      },
      {
        "rule": "objects_issnvalue",
        "type": "data",
        "match": "ppr",
        "file": "common/objects.yaml"
      }
    ]
  },
  "quality": {
    "score": 80,
    "missing": [
      "anchored regexp",
      "negative example",
      "translation"
    ]
  },
  "source": {
    "path": "data/datatypes/any/objectids/issn.yaml",
    "url": "https://github.com/apicrafter/metacrafter-registry/blob/main/data/datatypes/any/objectids/issn.yaml",
    "edit_url": "https://github.com/apicrafter/metacrafter-registry/edit/main/data/datatypes/any/objectids/issn.yaml"
  },
  "urls": {
    "html": "http://registry.apicrafter.io/datatype/issn",
    "json": "http://registry.apicrafter.io/api/v1/datatypes/issn.json"
  }
}