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

  * I am an admin of https://schwerkraftlabor.de
  * I am jan_j (https://keybase.io/jan_j) on keybase.
  * I have a public key ASA3eHxAfq8aPJL4wbvI13gKeCLEmDoezm_OwCHLniQc4Ao

To do so, I am signing this object:

{
  "body": {
    "key": {
      "eldest_kid": "012037787c407eaf1a3c92f8c1bbc8d7780a7822c4983a1ece6fcec021cb9e241ce00a",
      "host": "keybase.io",
      "kid": "012037787c407eaf1a3c92f8c1bbc8d7780a7822c4983a1ece6fcec021cb9e241ce00a",
      "uid": "988ca849ce917d7009082d4da8e3a219",
      "username": "jan_j"
    },
    "merkle_root": {
      "ctime": 1555413521,
      "hash": "95b1cccf9df23bb030e4fcaf872e1b8226868584c005d18fff353fa91b82d18d04dbb85cac06a498c30bc080a5ce3c653878e04d8402b7e7bfb7b5a8d487e3d5",
      "hash_meta": "896d5661c4f301dde43c19fee03f69d108d8120d6682e97efddcc577ed03f40f",
      "seqno": 5181033
    },
    "service": {
      "entropy": "SZta8H72sN64UnrXzkkPIH1+",
      "hostname": "schwerkraftlabor.de",
      "protocol": "https:"
    },
    "type": "web_service_binding",
    "version": 2
  },
  "client": {
    "name": "keybase.io go client",
    "version": "3.2.2"
  },
  "ctime": 1555413597,
  "expire_in": 504576000,
  "prev": "2d8cbf14ad7b0f74ba01c74b74f710fb4b28f922afe3f5c9b4fc4061242efb74",
  "seqno": 29,
  "tag": "signature"
}

which yields the signature:

hKRib2R5hqhkZXRhY2hlZMOpaGFzaF90eXBlCqNrZXnEIwEgN3h8QH6vGjyS+MG7yNd4CngixJg6Hs5vzsAhy54kHOAKp3BheWxvYWTESpcCHcQgLYy/FK17D3S6AcdLdPcQ+0so+SKv4/XJtPxAYSQu+3TEIMHtETqiD2TaP0Ozj8jCM1ON9SDVxn0c4bcIJST5rUqZAgHCo3NpZ8RAlG4Zzcer3Mb9KYlg/eNp6nnPPqS6MDYSGGn8kSu8wTfUAF9spjRhMZJBdtEDhdnt7WYUK7Gygl+36ybN34QKAKhzaWdfdHlwZSCkaGFzaIKkdHlwZQildmFsdWXEIGgBtykJdClH/oIpZ1j+14ke60ULPpFBRwvdhM19rShJo3RhZ80CAqd2ZXJzaW9uAQ==

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/jan_j

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