FAQ

What are the technical requirements of my document or documents?

Accepted file formats
Your document must be formatted so that it can be used by commonly available readers. The size of the file should be as small as possible. File names may not contain special characters or spaces and should be fairly transparent (e.g. conference.pdf), since after publication the file becomes open access. OHMdok currently supports the following document types: pdf, pdf/a, zip, avi, mp3, mp4, jpg, tiff, gif, avi, wav, mpg. If your document is in another format, please contact us.

No DRM encryption
The document may not be copy protected or access-protected in any other way. This is a requirement of the German National Library to ensure the long-term storage of the document.

If your document contains programs, files, video sequences, audio files or similar material on a supplemental CD or DVD,
these must be compressed into a ZIP file and then uploaded with the text.

Maximum file size
The system does not accept files larger than 250 MB. If you need to publish larger files, skip the uploading step and send us your document on CD or DVD.

Uploading file(s)
If you have problems uploading your documents, complete the form and email your file to bib-opus[at]th-nuernberg.de.

If possible, please submit text documents in PDF/A format at a later time.
Documents in OHMdok are usually published as PDFs. To guarantee their long-term storage, documents must be saved in standard PDF/A format. PDF/A is an international standard developed especially for archiving. It ensures that the file is readable even if the text’s font is not installed on a particular computer by embedding Open Type fonts, along with images and metadata, in a standardized format.

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