Just in case anyone is paranoid that this comment has the right key, you can generate a fingerprint with $ ssh-keygen -lf github.old.pub 2048 SHA256:nT

Just in case anyone is paranoid that this comment has the right key, you can generate a fingerprint with $ ssh-keygen -lf github.old.pub 2048 SHA256:nThbg6kXUpJWGl7E1IGOCspRomTxdCARLviKw6E5SY8 no comment (RSA) and you'll notice that fingerprint is on this archived page https://web.archive.org/web/20230320230907/https://docs.github.com/en/authentication/keeping-your-account-and-data-secure/githubs-ssh-key-fingerprints https://web.archive.org/web/20230320230907/https://docs.gith... (please check my work on your own machines and don't take my attestation on faith!)