There is no way to validate Qubes Master Signing Key?

General Discussion
9

By the way, here’s the Qubes Master Signing Key fingerprint:

pub   4096R/36879494 2010-04-01
      Key fingerprint = 427F 11FD 0FAA 4B08 0123  F01C DDFA 1A3E 3687 9494
uid   Qubes Master Signing Key
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