Got the same problem. Just some thought: could you check the doi-resolved title against the PDF's title? (extracted from the metadata or the markup) I have a lot of PDF's without their own doi (as they simply don't have one).
Anyway, keep up the good work!
Got the same problem. Just some thought: could you check the doi-resolved title against the PDF's title? (extracted from the metadata or the markup) I have a lot of PDF's without their own doi (as they simply don't have one).
Anyway, keep up the good work!