I hereby claim:
- I am randomecho on github.
 - I am randomecho (https://keybase.io/randomecho) on keybase.
 - I have a public key whose fingerprint is 119D F84C 21E4 E785 9C66 6D17 F21A BCE5 326C 3BC0
 
To claim this, I am signing this object:
{
    "body": {
        "key": {
            "fingerprint": "119df84c21e4e7859c666d17f21abce5326c3bc0",
            "host": "keybase.io",
            "key_id": "f21abce5326c3bc0",
            "uid": "9a5ecd90568407474e7fdb21d57ea500",
            "username": "randomecho"
        },
        "service": {
            "name": "github",
            "username": "randomecho"
        },
        "type": "web_service_binding",
        "version": 1
    },
    "ctime": 1412307141,
    "expire_in": 157680000,
    "prev": null,
    "seqno": 1,
    "tag": "signature"
}with the PGP key whose fingerprint is
119D F84C 21E4 E785 9C66  6D17 F21A BCE5 326C 3BC0
(captured above as body.key.fingerprint), yielding the PGP signature:
-----BEGIN PGP MESSAGE-----
Version: Keybase OpenPGP v1.1.0
Comment: https://keybase.io/crypto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=JmK+
-----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 randomecho
# encrypt a message to me
keybase encrypt randomecho -m 'a secret message...'
# ...and more...