Ghost URL example: https://ghostarchive.org/iarchive/instagram/iyogitabihani/2801706102334087488
To determine long form URL: https://ghostarchive.org/iarchive/ilongurl/instagram/iyogitabihani/2801706102334087488
Which returns: https://ghostarchive.org/archive/2021/https://instagram.com/p/CbhqNsiquFA
The date is screwy. He is aware and might fix it later. But it's better than before. As a rule if it's less than 14-digits you could expand with "01"'s like 20210101010101 so it passes validation.