http://i3xi5qxvbrngh3g6o7czwjfxwjzigook7zxzjmgwg5b7xnjcn5hzciad.onion/dir-spec/accepting-relay-documents.html
If the authority does have a descriptor with the same public key, the
newly uploaded descriptor is remembered if its publication time is more
recent than the most recent old descriptor for that router, and either: - There are non-cosmetic differences between the old descriptor and the
new one.
- Enough time has passed between the descriptors' publication times.