That would be the code signing key:
http://pgp.mit.edu:11371/pks/lookup?op=vindex&search=0x29D9EE6B1FC730C1It has been signed by Gavin along with other developers.
Here's my public key, or you can fetch it from the MIT pgp keyserver. Or it is linked on the bitcoin.org homepage.
-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: GnuPG v1.4.9 (Darwin)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=oDeQ
-----END PGP PUBLIC KEY BLOCK-----
Poll
