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https://keybase.io/markcrossfield
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I hereby claim:

  * I am an admin of http://markcrossfield.co.uk
  * I am markcrossfield (https://keybase.io/markcrossfield) on keybase.
  * I have a public key with fingerprint 8A9C 3D36 48F3 AA63 810E  AE66 1726 05F8 C376 C1E3

To do so, I am signing this object:

{
    "body": {
        "key": {
            "eldest_kid": "0120c75257aa743baa96fde590900eff0430c6b3d816e7a8e9fd1507f1ed4f4206690a",
            "fingerprint": "8a9c3d3648f3aa63810eae66172605f8c376c1e3",
            "host": "keybase.io",
            "key_id": "172605f8c376c1e3",
            "kid": "010141510a823a67b7a61ffc4be2b71c1d0e2481386b9dd91e3c4cc65356fed397960a",
            "uid": "86c35730acf85c32ee6f81a9038f3419",
            "username": "markcrossfield"
        },
        "service": {
            "hostname": "markcrossfield.co.uk",
            "protocol": "http:"
        },
        "type": "web_service_binding",
        "version": 1
    },
    "ctime": 1458522936,
    "expire_in": 157680000,
    "prev": "69a3a3f2b5590246ee66fb394ee7454b7d2e40644c54cf60219dba77b05112bc",
    "seqno": 8,
    "tag": "signature"
}

which yields the signature:

-----BEGIN PGP MESSAGE-----
Version: Keybase OpenPGP v2.0.51
Comment: https://keybase.io/crypto
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=mI/T
-----END PGP MESSAGE-----

And finally, I am proving ownership of this host by posting or
appending to this document.

View my publicly-auditable identity here: https://keybase.io/markcrossfield

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