Nth Tensor is a user on octodon.social. You can follow them or interact with them if you have an account anywhere in the fediverse.
If you don't, you can sign up here.
I have seen a few people going this, as mastodon is beginning to show evidence of identity and verification troubles.
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Here it is: My very own verification gist. https://goo.gl/q9HJJg
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It would be good digital hygiene for most users to do this, I think.
@LimbClock see above for one option to verify keybase.
