You should have a '!submissionInfo.txt' in your dump folder. Check the hashes for your dump there.
If they match the hashes of the Redump entry, you verified it 
1 2020-07-25 22:57:36
Re: Verification of DVD-ROM dump (8 replies, posted in Guests & account requests)
2 2020-07-07 15:29:02
Re: Nintendo mastering codes (2 replies, posted in General discussion)
Very interesting, thanks for the info!
The link to the script is incorrect, I think it should link to https://gist.github.com/mariomadproduct … 74c34b7e70