You are validating a JWT and want to be sure you use the correct public...

To ensure you use the correct public key when validating a JWT, you need to check:

The keyid of the public key is the same as the keyID in the JWT header: This ensures that the correct public key is used to validate the signature of the JWT.

Matching thekeyidhelps in selecting the correct key from a set of keys, ensuring the JWT validation process is accurate.

References

JWT Validation Guide