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

  * I am an admin of https://slab.org
  * I am yaxu (https://keybase.io/yaxu) on keybase.
  * I have a public key with fingerprint F716 4D35 9CAC 1F62 286D  5435 54F1 0D23 5DA8 1A27

To do so, I am signing this object:

{
  "body": {
    "key": {
      "eldest_kid": "0101347c6db2a40ea30a238ea1cd84bd00ff0a60624730c7ffc845cd7606920f71530a",
      "fingerprint": "f7164d359cac1f62286d543554f10d235da81a27",
      "host": "keybase.io",
      "key_id": "54f10d235da81a27",
      "kid": "0101347c6db2a40ea30a238ea1cd84bd00ff0a60624730c7ffc845cd7606920f71530a",
      "uid": "1da1ed85d2de2a37214cc1f5edc98a19",
      "username": "yaxu"
    },
    "service": {
      "hostname": "slab.org",
      "protocol": "https:"
    },
    "type": "web_service_binding",
    "version": 1
  },
  "ctime": 1617018393,
  "expire_in": 157680000,
  "prev": "420105400c08c033336b5c73b4eb5ab6cd79c00aa61e084bd27ab7411cad151d",
  "seqno": 8,
  "tag": "signature"
}

which yields the signature:

-----BEGIN PGP MESSAGE-----
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=06Ru
-----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/yaxu

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