Ironically, the spec under the CloudEvents standard is much less restricted to cloud-based objects than its early working version "open events" We considered a

Ironically, the spec under the CloudEvents standard is much less restricted to cloud-based objects than its early working version "open events" We considered a number of cases where the event source is not addressable software. Heck, your local library can emit a feed of cloud events where the event source is an isbn Uri.