/usr/share/dbus-1/services/org.gnome.zeitgeist.service is in zeitgeist-core 0.9.14-2.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | [D-BUS Service]
Name=org.gnome.zeitgeist.Engine
Exec=/usr/bin/zeitgeist-daemon
|