This Gist confirms the Linked Identity in my OpenPGP key which links it to this Github account.
[Verifying my OpenPGP key: openpgp4fpr:B2148955F6A66A8B8FA3F59B605DA5C729F9C184]
This is an OpenPGP proof. For details check out https://metacode.biz/openpgp/proofs