Metadata
Title
DOIs and ISBNs
Category
general
UUID
5cb8fd9457314b27be81316dd5e6b958
Source URL
https://www.library.sydney.edu.au/support/publishing/making-your-research-findab...
Parent URL
https://www.library.sydney.edu.au/about/library-glossary
Crawl Time
2026-03-10T04:43:52+00:00
Rendered Raw Markdown

DOIs and ISBNs

Source: https://www.library.sydney.edu.au/support/publishing/making-your-research-findable/dois-and-isbns Parent: https://www.library.sydney.edu.au/about/library-glossary

Persistent identifiers

A Persistent Identifier (PID) is a unique code consisting of a string of letters and numbers used to identify objects, people, or concepts. Examples include Digital Object Identifiers (DOIs) and International Standard Book Numbers (ISBNs). Researchers can also have a persistent identifier, such as an Open Researcher and Contributor ID (ORCID).

DOIs

DOIs are persistent unique digital identifiers assigned to objects, such as research outputs like publications or datasets. A DOI is permanent and cannot be removed, but you can remove the public right to access the resource.

Getting a DOI

The University of Sydney Library can provide DOIs for some non-published materials.

Some other repositories can also provide DOIs, including:

ISBNs

ISBNs are persistent identifiers for books. They are used internationally across the book trade and library sector.

An ISBN:

An ISBN is not mandatory and does not provide copyright on a work. Publishers purchase or receive ISBNs from an affiliate of the International ISBN Agency.

Researcher profiles Open Access Creative commons licensing

For more information on DOIs please email ses.admin@sydney.edu.au.

For information about ISBNs, please contact Sydney University Press.