5 subnavsection: "Reference: API"
12 Object IDs are alphanumeric strings, unique across all installations (each installation has a unique prefix to prevent collisions).
14 h2. Attributes of resources
16 table(table table-bordered table-condensed).
17 |*Attribute name*|*Value*|*Description*|*Example*|
18 |uuid|string|universally unique object identifier|@mk2qn-4zz18-w3anr2hk2wgfpuo@|
19 |kind|string|@arvados#{resource_type}@|@arvados#collection@|
20 |etag|string|The ETag[1] of the resource|@1xlmizzjq7wro3dlb2dirf505@|
22 |owner_uuid|string|UUID of owner (typically User or Project)|@mk2qn-tpzed-a4lcehql0dv2u25@|
23 |created_at|datetime|When resource was created|@2013-01-21T22:17:39Z@|
24 |modified_by_client|string|API client software which most recently modified the resource|@mk2qn-ozdt8-vq8l5qkzj7pr7h7@|
25 |modified_by_user|string|Authenticated user, on whose behalf the client was acting when modifying the resource|@mk2qn-tpzed-a4lcehql0dv2u25@|
26 |modified_at|datetime|When resource was last modified|@2013-01-25T22:29:32Z@|
28 h2. Attributes of resource lists
30 table(table table-bordered table-condensed).
31 |*Attribute name*|*Value*|*Description*|*Example*|
32 |kind|string|@arvados#{resource_type}_list@|@arvados#project_list@|
33 |etag|string|The ETag[1] of the resource list|@cd3o1wi9sf934saajykawrz2e@|
35 |next_page_token|string|||
37 |items[]|list|List of resources||
42 fn1. Each response includes an ETag, a string which changes when the resource changes. Clients can use this to check whether a resource has changed since they last retrieved it. If a previous ETag is provided along with a request, and the resource has not changed since, the server may return a "not modified" response.