Once the unlatching process has been started, you can upload the PDF file (and EPUB where available) or ZIP (for chapter files) for your titles with the status “to be unlatched”. You can do so by clicking on the individual titles in the collection and navigate to the files tab. You should also upload the cover page . Please note that the files should not exceed 50MB and the e-books should include the cover page and no crop marks.

Furthermore, in the PDF, you can refer to Knowledge Unlatched and promote the fact that the title has been made available Open Access. For instance, by using the following text:

The KU logo used in this image is available here.

Lastly, it should be clearly stated in the PDF that the title is available Open Access and which Creative Commons license applies for the title.

Please then review the metadata entered and make any necessary changes. If all the metadata is entered correctly, the files have been uploaded, and the title is ready to be unlatched, please change the status to ‘’Submit for Unlatching’’. This data will be used for creating the MARC records and cannot be changed after you select “Submit for Unlatching”. 

Only after you have changed the status for the title to “Submit for Unlatching” we can review the file(s) and forward them to our hosting partners if everything is in order. The title will then shortly become available on the OAPEN platform. 

Once unlatched, you will receive an automatic email notifying you that the title(s) have been unlatched. This email will also include further details on the payment process.

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