---
id: "doi"
kind: "datatype"
status: "stable"
is_pii: false
categories: ["science", "identifiers"]
langs: ["common"]
quality: 95
url: "http://registry.apicrafter.io/datatype/doi"
---

# Digital Object Identifier (DOI) (`doi`)

A digital object identifier (DOI) is a persistent identifier or handle used to identify objects uniquely, standardized by the International Organization for Standardization (ISO).

- Parent datatype: `url`
- Personal data (PII): no
- Categories: Scientific (science), Universal unique identifiers (identifiers)
- Countries: global
- Languages: Common to most languages (common)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
^10\.\d{4,9}/\S+$
```

## Examples

- `10.1371/JOURNAL.PONE.0029797` — PLOS ONE article
- `10.12987/YALE/9780300197051.003.0010` — Book chapter (Yale University Press)

## Mappings

- autotype: `doi`
- bioregistry: `doi`
- wikidata: `P356`

## Metacrafter rules

6 rules: 3 match the field name, 3 match values.

- `doifield` (field, `common/media.yaml`)
- `doivalue` (data, `common/media.yaml`)
- `objects_doifield` (field, `common/objects.yaml`)
- `objects_doivalue` (data, `common/objects.yaml`)
- `doibydata` (data, `common/science.yaml`)
- `science_doifield` (field, `common/science.yaml`)

## Supported by tools

- `autotype`
- `greatexpectations`
- `metacrafter`
- `metacrafterpro`

## Translations

- ru: Цифровой идентификатор объекта (DOI): Цифровой идентификатор объекта (англ. digital object identifier (DOI), дискретный объекта идентификатор (ДОИ)) — основной элемент системы ДОИ, предназначенной для обозначения объектов информационной деятельности.

## Sources

- wikipedia: <https://en.wikipedia.org/wiki/Digital_object_identifier>
- wikidata: <https://www.wikidata.org/wiki/Property:P356>

## Quality

Score 95/100. Missing: negative example.

JSON: <http://registry.apicrafter.io/api/v1/datatypes/doi.json> · Edit: <https://github.com/apicrafter/metacrafter-registry/edit/main/data/datatypes/any/science/doi.yaml>