If you can't pin the 720p version of this video successfully, that is because I'm hosting the 720p version of this video. The problem I have here is my ISP's terms of service does not allow any kind of p2p traffic therefore it will not work. The other versions are on dtube's official node so you are able to pin those.
I will be moving away from my LTE connection to fibre connection, which allows p2p traffic (it throttles at peak hours). That is when I can start hosting all my videos, completely bypassing the official uploader limits.