The main concern is the URL contains the hash and it changes with each update. The goal of this project is to have a static URL that always returns updated trackers. If you have the IPFS URL, it will get out of date quickly.

• https://hatthieves.es/ipfs-upload/
• https://ipfs.io/ipfs/QmV6nVTAgBzYM2dAbnCiNS7SacUnUdRbvPBTQioTSaB84g

From the official page: https://ipfs.tech

However, this doesn't mean you need to remember a long string of CIDs — IPFS can find the latest version of your file using the IPNS decentralized naming system, and DNSLink can be used to map CIDs to human-readable DNS names.