The document value "0x0000000000000000000000000000000000000000000000000000000000000060" represents the claim that Azimuth and Ecliptic are live on the Ethereum blockchain and comprise the Urbit Constitution.  The document value "0x00000000000000000000000000000000000000000000000000000000000000a0" represents the claim that Tlon has designated Arvo (the Urbit operating system, as described at https://urbit.org/docs/arvo/internals/) as "stable".  The document value "0x00000000000000000000000000000000000000000000000000000000000000e0" represents the claims that (i) Tlon has designated the Urbit Network as having reached "continuity" ("continuity" means that there is a reasonable expectation that the Urbit Network can continue indefinitely without hard forks); and (ii) The Urbit Network has been confirmed to be secure by an independent third-party security audit.