There's a container for epub 'org.idpf.epub-container', I would like to know the same for .mobi
Here is the documentation, but it seems lacking.
I've been searching for an answer to this question.
Based on this error message "Error code: ConversionError Error message: com.amazon.mobi ... I am currently trying to upload on a Mac running OSX ... ConversionError Error message: com.amazon." indexed here: https://www.kdpcommunity.com/s/question/0D5f400000FHUsYCAX/dtp-wont-upload-my-new-html-file-get-an-error-message?language=it
I'm inclined to believe the UTI for .mobi files is 'com.amazon.mobi' for MacOS/IOS devices.