[tor-bugs] #18967 [Metrics/Onionoo]: Add UUID to families in Onionoo

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#18967: Add UUID to families in Onionoo
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 Reporter:  seansaito        |          Owner:
     Type:  enhancement      |         Status:  new
 Priority:  Medium           |      Milestone:
Component:  Metrics/Onionoo  |        Version:
 Severity:  Normal           |     Resolution:
 Keywords:  persistence,     |  Actual Points:
Parent ID:                   |         Points:
 Reviewer:                   |        Sponsor:
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Comment (by teor):

 Unless all onionoo instances use exactly the same descriptor archive, you
 will never get matching family identifiers. But you can get close:

 Find the relay in each family that appeared on the network first, by:
 * finding the oldest descriptor you have for each relay, and
 * using something in that descriptor to deduce the age of the relay when
 that descriptor was posted
   * uptime is a clue, but not ideal;
   * relays with older tor releases are likely older;
 or maybe certificates or something else in the descriptor can tell you how
 old the relay is.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18967#comment:9>
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