I hereby claim:
- I am bcreasy on github.
- I am genetik (https://keybase.io/genetik) on keybase.
- I have a public key whose fingerprint is 7D24 82AF F764 5EF7 5DE1 E401 58C2 968C BCA6 4D46
To claim this, I am signing this object:
{
    "body": {
        "client": {
            "name": "keybase.io node.js client",
            "version": "0.4.7"
        },
        "key": {
            "fingerprint": "7d2482aff7645ef75de1e40158c2968cbca64d46",
            "host": "keybase.io",
            "key_id": "58C2968CBCA64D46",
            "uid": "f2c04b89215ecb3be3c1cdac92c4a500",
            "username": "genetik"
        },
        "merkle_root": {
            "ctime": 1402864407,
            "hash": "8c6037e6d1e8b2e705445c07de27911204bb529dc9f17ba7c20842ab78dcf67fc7c732ec03447aac5e97317466603412a349206a1854dbc70ed599bb3688149b",
            "seqno": 18492
        },
        "service": {
            "name": "github",
            "username": "bcreasy"
        },
        "type": "web_service_binding",
        "version": 1
    },
    "ctime": 1402864513,
    "expire_in": 157680000,
    "prev": "4b25fdf615458f8cb077702a327a814cd5e061450e219264802f2dcf0dec1f5a",
    "seqno": 4,
    "tag": "signature"
}with the PGP key whose fingerprint is
7D24 82AF F764 5EF7 5DE1  E401 58C2 968C BCA6 4D46
(captured above as body.key.fingerprint), yielding the PGP signature:
-----BEGIN PGP MESSAGE-----
Version: GnuPG/MacGPG2 v2.0.22 (Darwin)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=UpxL
-----END PGP MESSAGE-----
And finally, I am proving ownership of the github account by posting this as a gist.
Consider the keybase command line program.
# look me up
keybase id genetik
# encrypt a message to me
keybase encrypt genetik -m 'a secret message...'
# ...and more...