h1. Resources
+This page describes the common attributes of Arvados resources.
+
+The list of resource types is on the "front page of the API Reference":./.
+
h2. Object IDs
Object IDs are alphanumeric strings, unique across all installations (each installation has a unique prefix to prevent collisions).
|self_link|string|||
|owner_uuid|string|UUID of owner (typically User or Project)|@mk2qn-tpzed-a4lcehql0dv2u25@|
|created_at|datetime|When resource was created|@2013-01-21T22:17:39Z@|
-|modified_by_client|string|API client software which most recently modified the resource|@mk2qn-ozdt8-vq8l5qkzj7pr7h7@|
-|modified_by_user|string|Authenticated user, on whose behalf the client was acting when modifying the resource|@mk2qn-tpzed-a4lcehql0dv2u25@|
+|modified_by_client_uuid|string|API client software which most recently modified the resource|@mk2qn-ozdt8-vq8l5qkzj7pr7h7@|
+|modified_by_user_uuid|string|Authenticated user, on whose behalf the client was acting when modifying the resource|@mk2qn-tpzed-a4lcehql0dv2u25@|
|modified_at|datetime|When resource was last modified|@2013-01-25T22:29:32Z@|
h2. Attributes of resource lists