October 2025 Update

Crossref: 2025/09
OpenAlex: 2025-09-30

August 2025 update

• Crossref 2025/08
• OpenAlex 2025-08-21

July 2025 update

Crossref: 2025/06
OpenAlex: 2025/07/07

June 2025 update

Crossref: 2025/05
OpenAlex: 2025/05/30

March 2025 release

• Include publication year 2025
• Updated JCT journal and institution list (December 2024 and April 7 2025)
• Crossref 2025-03
• OpenAlex 2025-03-31

December 2024 release

• Crossref 2024/12/
• OpenAlex 2024/12/31

November 2024 data release

OpenAlex: 2024-10-30
Crossref: 2024-10

September 2024 release

• OpenAlex: 2024-08-29
• Crossref: 2024-08

August 2024 Updates

Item level data

Data updated with the following snapshots:

Crossref 2024/07/
OpenAlex 2024/07/30

Data pipeline changes

• Improved distinction between ROR listed in JCT data and associated ROR retrieved from OpenAlex. The previous distinction between ror_matching and ror_main has been removed.

July 2024 updates

Data update

Transformative agreement data

• JCT journal and institution data from 15 July 2024 added. See https://github.com/njahn82/jct_data/tree/2d209bb72423b67e5577bd1270c0a9e999d21297/data

Article-level data

Data upded using the following snapshots:

• Crossref 2024/06/
• OpenAlex 2024/06/30

Data pipeline changes

• Paratex recognition is now case insensitive

CI/CD

• Data update is only triggered when commit message starts with "Update data"