This is a sub-service of the sameAs service, and contains only information that is provided by a third party.
You can use this for trying to assert stuff etc., but it or the data may disappear at any time.
Why not try finding equivalent identifiers for ?
Current statistics for this sameAs service (http://sameas.org/store/sandpit/) —
Last data assertion 2018-11-27 13:48:41 Number of URIs 7047