| GENERAL INFORMATION | |
| Publisher | IOP Publishing |
| Agreement ID | iop2026tubitak |
| Agreement labeling | IOP OPEN ACCESS AGREEMENT |
| Is the agreement document publicly available? | No |
| Agreement period | 1/1/2026 – 12/31/2028 |
| Consortia / Institution | EKUAL/TÜBITAK |
| Country | Turkey |
| COST | |
| How do the costs of the agreement relate to the previous agreement with the publisher? | Cost increase |
| Comments on cost development | This agreement previously covered a limited number of universities in Türkiye under the ANKOS consortium. It has now been transformed into a national open access agreement that includes all universities across the country. |
| Describe how the cost model has changed from the previous agreement (e.g., move from subscription to R&P / from capped to uncapped / from single APC payments to flat fee, etc.) | Move from subscription to R&P |
| Read-access costs
If the agreement includes read access to subscription content, is a split of the cost between read access and publishing services defined? |
Yes |
| If a split of the cost between read access and publishing services is defined, what percentage of the overall agreement cost relates to read access? | More than 50% |
| PUBLISHING-RELATED TERMS | |
| Publication output
What is the approximate number of annual corresponding author publications from your institution/consortium with the publisher (in closed, hybrid and fully OA journals)? |
450 |
| Is the agreement’s provision for OA publishing capped (e.g., limited to a specific number of articles per year) or uncapped? | Uncapped |
| Coverage
Are all journals relevant to your affiliated authors (i.e., journals in which you expect them to publish) eligible for OA publishing under the agreement? |
Yes |
| Are APC-based full open access journals covered by the agreement? | Yes, alongside hybrid titles |
| Are journals operating under other business models (S2O, Diamond OA, etc.) covered by the agreement? | No |
| Article types
Eligible article types |
Original research articles, Review articles, Proceedings, Letters, Editorials |
| Risk sharing
What risk-sharing mechanisms exist in cases of exceeding or not reaching the anticipated number of OA publications under the agreement? |
No risk-sharing mechanism |
| Comments on publishing-related terms | In the past three years, Turkish institutions have published approximately 1000 articles in IOP journals under the ANKOS consortium, which included 50 member institutions. Under the new national agreement, which now covers 230 institutions, an annual output of around 450 articles is projected. |
| READ ACCESS-RELATED TERMS | |
| Coverage of read access
If the agreement includes read access to subscription content, is access to all relevant journals required by your users covered by the agreement? |
Yes |
| Perpetual access
If the agreement includes read access to subscription content, are perpetual access (post cancellation/termination) rights included? |
Yes |
| If perpetual access rights to subscription content is included, are there associated fees (for continued access to the platform, local hosting, data delivery, etc.)? | No |
| OA WORKFLOW | |
| Author workflow and verification
The date for articles’ eligibility is based on: |
Acceptance date |
| Describe the mechanisms used by the publisher for matching authors with an eligible institution: | Email domain verification, IP addresses. We verify author affiliation through the YÖK Akademik system, checking whether the author is actively affiliated with one of our eligible institutions. |
| How do consortia or institutions verify author eligibility and approve OA funding? | Via publisher’s dashboard or third-party platform (pre-publication) |
| Does the agreement include mechanisms to correct mistakenly approved, missed, or not approved publications (e.g., retrospective OA conversion of closed articles or refunding paid APCs)? | No |
| Does the publisher’s reporting on publications satisfy the needs of your institution (frequency, metadata fields, data quality, etc.)? | No |
| May authors be charged additional publication fees (such as page charges, article development charges, etc.)? | Not part of the negotiations/not discussed |
| How would you assess the practical implementation of the agreement? | Too early to assess |
| PUBLISHING LICENSES | |
| Author’s licenses
Open access license types included |
Publisher-specific license type |
| Has the author workflow been customized to direct authors to a certain license (e.g., by making the option for CC BY the preselected default)? | Yes |
| If the agreement covers licenses more restrictive than CC BY, do the License to Publish agreements (LtPs) offered to authors differ from the publisher’s standard LtP? | Not part of the negotiations/not discussed |
| In addition to the OA publishing provision, does the agreement include mechanisms to make author accepted manuscripts open access? | No |
Request contact to the licensee: contact@esac-initiative.org
