Describe what the expired_ts is

9 years ago · 0db3182159
parent 4422e9ca2b
commit 0db3182159
1 changed files with 2 additions and 1 deletions
--- a/specification/30_server_server_api.rst
+++ b/specification/30_server_server_api.rst
@ -109,7 +109,8 @@ it should request that ``key_id`` for the originating server to check whether
 the key has expired.

 The ``old_verify_keys`` can be used to sign events with an ``origin_server_ts``
-before the ``expired_ts``.
+before the ``expired_ts``. The ``expired_ts`` is a millisecond POSIX timestamp
+of when the originating server stopped using that key.

 Intermediate perspective servers should cache a response for half of its
 remaining life time to avoid serving a stale response. Servers should avoid