---
id: "hathitrust_id"
kind: "datatype"
status: "draft"
is_pii: false
categories: ["publishing"]
langs: ["common"]
quality: 90
url: "https://registry.apicrafter.io/datatype/hathitrust_id"
---

# HathiTrust record number (`hathitrust_id`)

> **Draft.** Draft records have not been reviewed yet and may be incomplete or wrong; do not treat them as authoritative for legal or compliance decisions.

Number of a catalogue record of the HathiTrust Digital Library, the shared repository of books and serials digitized by research libraries, as in catalog.hathitrust.org/Record/<number>. It has nine digits with leading zeros. One record can describe several digitized volumes, which have their own item identifiers that start with a code of the contributing library; those are not accepted here.

- Personal data (PII): no
- Categories: Publishing and print (publishing)
- Countries: global
- Languages: Common to most languages (common)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
^\d{9}$
```

## Examples

- `000499494` — National Geographic
- `012508885` — Proverbs of the Russian People, 1862 edition
- `499494` (invalid example) — Leading zeros dropped

## Mappings

- wikidata: `P1844`

## Translations

- ru: Номер записи HathiTrust: Девятизначный номер записи каталога цифровой библиотеки HathiTrust.

## Sources

- wikipedia: <https://en.wikipedia.org/wiki/HathiTrust>
- wikidata: <https://www.wikidata.org/wiki/Property:P1844>
- doc: <https://www.hathitrust.org/>

## Quality

Score 90/100. Missing: detector coverage.

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