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Publication Identifier · Official Resolution

DOI Lookup: Resolve the Identifier and Verify the Publication

Enter a DOI to open its registered page. If you have only the title, search Crossref for the DOI. Always verify the title, authors, year, and source afterward.

Acadwrite Team
Direct answer: Resolve an existing DOI through doi.org. With only a title, search registered metadata such as Crossref. Finally compare the title, authors, year, and publication source.
Official DOI Resolver

No content is uploaded; this only redirects to doi.org.

Remove prefixValidate formatOfficial resolver

What Is a DOI?

A DOI is a persistent identifier. It is not a file format and does not guarantee free full-text access.

Identifies an object

A DOI corresponds to a registered digital object and its metadata record.

Resolves a location

doi.org redirects the DOI to the current page maintained by the registrant.

Supports verification

Use it to cross-check the title, authors, publication year, and source.

Three Ways to Look Up a DOI

Start with the path that uses the most information you already have.

  1. 1

    You already have the DOI

    Remove the “doi:” or “https://doi.org/” prefix and enter the identifier in the resolver above.

  2. 2

    You have only the paper title

    Search the complete title in Crossref Search, the publisher site, or an institutional database, then verify the authors and year.

  3. 3

    You have only the PDF

    Check the first-page header and footer, below the title, the copyright notice, and the final page. If absent, search by title.

Understand DOI Structure at a Glance

Format validation recognizes only identifier structure. Registered metadata is still required to verify the publication.

10.1000/xyz123

Prefix: Begins with 10. and identifies the registrant namespace.

Suffix: Assigned by the registrant; its character structure varies by publisher.

What to Verify After a DOI Resolves

This detects genuine DOIs attached to the wrong citation as well as transcription errors.

  • The title substantially matches the title in your reference.
  • The first author and author order have not been mixed with another paper.
  • The journal, conference, or repository name matches.
  • The year, volume, issue, pages, or article number matches.
  • The publication type matches how the source is described in your text.
  • Open the abstract or full text and confirm that it supports the cited claim.

What If the DOI Does Not Open or Cannot Be Found?

Distinguish formatting errors, broken destinations, unregistered works, and access restrictions.

  • Remove a trailing period, brackets, and spaces introduced during copying.
  • Search the complete identifier in Crossref or on the publisher site to retrieve metadata.
  • A paywalled destination does not mean the DOI is invalid; look for an open-access version separately.
  • If no record exists, search by title, author, and year; never invent a DOI.

Frequently Asked Questions

What does DOI mean?

DOI stands for Digital Object Identifier. It persistently identifies objects such as papers, datasets, and book chapters. doi.org resolves it to the current page maintained through the registration system.

Why does a DOI not open the full text?

A DOI resolves to the publication page but does not guarantee open access. The page may require an institutional subscription or purchase, while an author version may be available elsewhere.

Is it normal for a paper to have no DOI?

Yes. Not every journal article, conference paper, thesis, book, or early publication has a registered DOI. Failure to find one does not by itself make a source fake.

Official Lookup and Metadata Documentation

  1. 1
    DOI Foundation: What is a DOI?

    The official overview explains identifiers, resolution, and the relationship between a DOI and an object's current web location.

  2. 2
    Crossref: REST API

    Crossref explains how to retrieve or verify registered metadata by DOI, title, author, and year.

  3. 3
    China DOI

    A DOI registration and resolution entry point for queries related to Chinese publications.

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