keys.openpgp.org

We found an entry for martin.clavey@soundofscience.fr.

https://keys.openpgp.org/vks/v1/by-fingerprint/8D7A8F11A8318D0E689F394FF6FEB6F6BB91C90B

Hint: It's more convenient to use keys.openpgp.org from your OpenPGP software.
Take a look at our usage guide for details.