How to contact a uploader?

[tynt]

I have found a pdf that is missing some pages. Pdf contains page links to non existent files. Looks like uploader accidently forgot to include them, because of their obscure file names.

I don't want to report it as broken, because it not broken.

Can I send message to the uploader?

[vtech]

More than likely not since the uploads are done by people from all over the world---some of which may not know how or may end up incomplete. There is no upkeep with maintenance or integrity of the uploads.