Even if a listing says "verified," you should check it yourself. Here is the technical workflow:
Run the hasher on your downloaded .iso or .wbfs file. If the output exactly matches the hash from the Archive page, your game is verified (complete and uncorrupted).
Example:
# Expected hash from Archive: 3f4e5d6c7b8a9f0e1d2c3b4a5f6e7d8c9b0a1f2e
$ shasum -a 1 "Super Mario Galaxy (USA).iso"
3f4e5d6c7b8a9f0e1d2c3b4a5f6e7d8c9b0a1f2e Super Mario Galaxy (USA).iso
✅ Verified!
Search term: No-Intro Wii eShop WAD
This is for WiiWare titles (digital-only games like World of Goo or Bomberman Blast). "Verified" here means the WAD files have been dumped from a real Wii console and match the No-Intro database.