Why armored publick key from gpg locate-keys public differ from PGP public key server key?

Question

I was trying to verify signature of linux-firmware with GnuPG

1. gpg --locate-keys [email protected]
2. I've got publick key with : gpg --export --armor | less This key have 88 lines
3. I used public PGP server and found public key at https://pgp.surfnet.nl/pks/lookup?search=jboyer%40redhat.com
4. I start to compare locate-keys key with one form public key server - they have same fingerpring, same at begining but don't match after a middle of short 88 lines version.
5. I imported key from PGP server and make gpg --export --armor | less again - this key had 945 lines
6. gpg --verify linux-firmware-20210208.tar.asc showed same Primary key fingerpring and no errors for both keys - short 88 lines from gpg -locate-keys and long 945 lines from public server

I am comparing "PGP PUBLIC KEY BLOCK" of two same keys [email protected] with same fingerprint but different length.

Why there is two public keys with same fingerprints and different length?

Answer 1

gpg --list-packets keyfile

showed me that "PGP PUBLIC KEY BLOCK" has complex format and keep some history within "signature packet" blocks that I don't understand for now. Two keys has differen count of "signature packat" blocks.