# \#public-data-file **URL:** https://community.crossref.org/tag/public-data-file/187.md [Latest](https://community.crossref.org/latest.md) · [Categories](https://community.crossref.org/categories.md) · [Tags](https://community.crossref.org/tags.md) --- ## [Get and sync all Crossref metadata](https://community.crossref.org/t/get-and-sync-all-crossref-metadata/15562)
**Author:** [@mrittman](https://community.crossref.org/u/mrittman)\ **Replies:** 2\ **Last updated:** [8 September 2026 14:43 UTC](https://community.crossref.org/t/get-and-sync-all-crossref-metadata/15562 "2026-09-08T14:43:42Z")
Would you like to have all Crossref metadata? No problem! You can. There are a few questions you might want to ask yourself first, and below we look at how you can get your hands on it. First, why do we give our data aw… --- ## [2026 public data file now available - Crossref](https://community.crossref.org/t/2026-public-data-file-now-available-crossref/15472)
**Author:** [@Crossref](https://community.crossref.org/u/Crossref)\ **Replies:** 6\ **Last updated:** [31 March 2026 09:05 UTC](https://community.crossref.org/t/2026-public-data-file-now-available-crossref/15472 "2026-03-31T09:05:04Z")
Once a year we release all metadata records for content registered with Crossref in a public data file. This year’s version, containing nearly 180 million records, is now available. It includes metadata associated with a… --- ## [Adding redirects for aliased DOIs in the REST API](https://community.crossref.org/t/adding-redirects-for-aliased-dois-in-the-rest-api/13138)
**Author:** [@mrittman](https://community.crossref.org/u/mrittman)\ **Replies:** 6\ **Last updated:** [25 February 2025 14:31 UTC](https://community.crossref.org/t/adding-redirects-for-aliased-dois-in-the-rest-api/13138 "2025-02-25T14:31:40Z")
From 25 February 2025, we will be adding redirects for aliased DOIs in the REST API. This means that requests won’t return aliased DOIs. What is aliasing? DOIs are persistent identifiers and can’t be deleted, but someti… --- ## [Using the public data file via a Lightning key:value (DOI:metadata) database (\`crossref-lmdb\`)](https://community.crossref.org/t/using-the-public-data-file-via-a-lightning-key-value-doi-metadata-database-crossref-lmdb/12541)
**Author:** [@djmannion](https://community.crossref.org/u/djmannion)\ **Replies:** 1\ **Last updated:** [5 November 2024 23:16 UTC](https://community.crossref.org/t/using-the-public-data-file-via-a-lightning-key-value-doi-metadata-database-crossref-lmdb/12541 "2024-11-05T23:16:11Z")
A project that I have been working on involves retrieving the metadata for a large number of DOIs, and the public data export has been very useful - thanks very much for making it available (and for CrossRef in general)! … --- ## [2024 public data file now available, featuring new experimental formats - Crossref](https://community.crossref.org/t/2024-public-data-file-now-available-featuring-new-experimental-formats-crossref/5531)
**Author:** [@Crossref](https://community.crossref.org/u/Crossref)\ **Replies:** 1\ **Last updated:** [18 June 2024 09:19 UTC](https://community.crossref.org/t/2024-public-data-file-now-available-featuring-new-experimental-formats-crossref/5531 "2024-06-18T09:19:08Z")
This year’s public data file is now available, featuring over 156 million metadata records deposited with Crossref through the end of April 2024 from over 19,000 members. A full breakdown of Crossref metadata statistics … --- ## [Estimated cost for S3 public snapshot transfer](https://community.crossref.org/t/estimated-cost-for-s3-public-snapshot-transfer/5848)
**Author:** [@abeechin](https://community.crossref.org/u/abeechin)\ **Replies:** 2\ **Last updated:** [4 June 2024 10:17 UTC](https://community.crossref.org/t/estimated-cost-for-s3-public-snapshot-transfer/5848 "2024-06-04T10:17:03Z")
Hi folks, looking to get a DC-DC public snapshot transfer approved internally but I cannot find an estimated cost of this transfer anywhere (and the Amazon docs are hard to discern what applies). Does anyone have an ide… --- ## [Not being able to retrieve whole set of 'journal-article's](https://community.crossref.org/t/not-being-able-to-retrieve-whole-set-of-journal-articles/5116)
**Author:** [@serg](https://community.crossref.org/u/serg)\ **Replies:** 3\ **Last updated:** [11 April 2024 16:39 UTC](https://community.crossref.org/t/not-being-able-to-retrieve-whole-set-of-journal-articles/5116 "2024-04-11T16:39:20Z")
Greetings! I’m trying to fetch complete dataset of ‘type:journal-article’ to be available as a cache on our side. This I’m doing via GET /works method of CrossRef API. I’m using cursor and asking for rows=1000, sending… --- ## [2022 public data file now available](https://community.crossref.org/t/2022-public-data-file-now-available/2687)
**Author:** [@ppolischuk](https://community.crossref.org/u/ppolischuk)\ **Replies:** 0\ **Last updated:** [13 May 2022 21:47 UTC](https://community.crossref.org/t/2022-public-data-file-now-available/2687 "2022-05-13T21:47:49Z")
Please see today’s blog post for details: 2022 public data file of more than 134 million metadata records now available - Crossref --- ## [A documentation for Crossref public data file](https://community.crossref.org/t/a-documentation-for-crossref-public-data-file/4921)
**Author:** [@Alex](https://community.crossref.org/u/Alex)\ **Replies:** 2\ **Last updated:** [8 February 2024 21:12 UTC](https://community.crossref.org/t/a-documentation-for-crossref-public-data-file/4921 "2024-02-08T21:12:52Z")
Hi Excited to share a project I’ve been working on: Crossref Monitoring! Aimed at making the Crossref public dataset more accessible and navigable. This tool is now live at https://crossref-monitoring.vercel.app. Auto… --- ## [Increasing Crossref Data Reusability With Format Experiments - Crossref](https://community.crossref.org/t/increasing-crossref-data-reusability-with-format-experiments-crossref/4736)
**Author:** [@Crossref](https://community.crossref.org/u/Crossref)\ **Replies:** 4\ **Last updated:** [24 January 2024 13:44 UTC](https://community.crossref.org/t/increasing-crossref-data-reusability-with-format-experiments-crossref/4736 "2024-01-24T13:44:05Z")
Every year, Crossref releases a full public data file of all of our metadata. This is partly a commitment to POSI and partly just what we do. We want the community to re-use our metadata and to find interesting ends to w… --- ## [Received vs publication date in full public file download](https://community.crossref.org/t/received-vs-publication-date-in-full-public-file-download/3910)
**Author:** [@travelsandbooks](https://community.crossref.org/u/travelsandbooks)\ **Replies:** 9\ **Last updated:** [17 August 2023 15:45 UTC](https://community.crossref.org/t/received-vs-publication-date-in-full-public-file-download/3910 "2023-08-17T15:45:41Z")
Hi! I downloaded the full public metadata torrent and I wanted to look at the time between DOIs’ received date and publication date. However, none of the data files had a “received date” column. I know that not every p… --- ## [2023 public data file now available with new and improved retrieval options - Crossref](https://community.crossref.org/t/2023-public-data-file-now-available-with-new-and-improved-retrieval-options-crossref/3550)
**Author:** [@Crossref](https://community.crossref.org/u/Crossref)\ **Replies:** 4\ **Last updated:** [28 July 2023 16:14 UTC](https://community.crossref.org/t/2023-public-data-file-now-available-with-new-and-improved-retrieval-options-crossref/3550 "2023-07-28T16:14:42Z")
We have some exciting news for fans of big batches of metadata: this year’s public data file is now available. Like in years past, we’ve wrapped up all of our metadata records into a single download for those who want to… --- ## [How to update 2023 public data file](https://community.crossref.org/t/how-to-update-2023-public-data-file/3866)
**Author:** [@jay251993](https://community.crossref.org/u/jay251993)\ **Replies:** 5\ **Last updated:** [27 July 2023 14:18 UTC](https://community.crossref.org/t/how-to-update-2023-public-data-file/3866 "2023-07-27T14:18:48Z")
2023 public data file now available with new and improved retrieval options. --- ## [How to read json file?](https://community.crossref.org/t/how-to-read-json-file/3195)
**Author:** [@Garry](https://community.crossref.org/u/Garry)\ **Replies:** 1\ **Last updated:** [19 December 2022 16:57 UTC](https://community.crossref.org/t/how-to-read-json-file/3195 "2022-12-19T16:57:54Z")
Hello, I’m having trouble reading the .json.gz file after downloading the torrent. --- ## [Public data file in the cloud](https://community.crossref.org/t/public-data-file-in-the-cloud/3023)
**Author:** [@skybristol](https://community.crossref.org/u/skybristol)\ **Replies:** 3\ **Last updated:** [14 October 2022 17:56 UTC](https://community.crossref.org/t/public-data-file-in-the-cloud/3023 "2022-10-14T17:56:59Z")
I’m currently partway through the torrent download of the 2022 public data dump. This will be a great start to establishing a baseline for work we are doing with scientific publication linked data. However, it would be r… --- ## [Interpreting Public Data File](https://community.crossref.org/t/interpreting-public-data-file/2833)
**Author:** [@jswainston](https://community.crossref.org/u/jswainston)\ **Replies:** 1\ **Last updated:** [26 July 2022 01:37 UTC](https://community.crossref.org/t/interpreting-public-data-file/2833 "2022-07-26T01:37:22Z")
Hi, I’m hoping to have a play with the Crossref public data file to see what types of analysis might be possible with it. I’ve got the file downloaded and have opened one of the individual JSON files in a text editor to… --- ## [2022 public data file of more than 134 million metadata records now available - Crossref](https://community.crossref.org/t/2022-public-data-file-of-more-than-134-million-metadata-records-now-available-crossref/2685)
**Author:** [@Crossref](https://community.crossref.org/u/Crossref)\ **Replies:** 0\ **Last updated:** [13 May 2022 15:55 UTC](https://community.crossref.org/t/2022-public-data-file-of-more-than-134-million-metadata-records-now-available-crossref/2685 "2022-05-13T15:55:45Z")
In 2020 we released our first public data file, something we’ve turned into an annual affair supporting our commitment to the Principles of Open Scholarly Infrastructure (POSI). We’ve just posted the 2022 file, which can…