[i18n-activity] Define timestamp format carefully (#2030)

aphillips has just created a new issue for https://github.com/w3c/i18n-activity:

== Define timestamp format carefully ==
## Proposed comment

DID Document Metadata
https://www.w3.org/TR/did-resolution/#dfn-created

> [DID document](https://www.w3.org/TR/did-resolution/#dfn-did-documents) metadata SHOULD include a created property to indicate the timestamp of the [Create operation](https://www.w3.org/TR/did-core/#method-operations). The value of the property MUST be a [string](https://infra.spec.whatwg.org/#string) formatted as an [XML Datetime](https://www.w3.org/TR/xmlschema11-2/#dateTime) normalized to UTC 00:00:00 and without sub-second decimal precision. For example: 2020-12-20T19:17:47Z.

The definition of `created` (shown here) defines the intended timestamp format. Several other metadata values (`updated`, `nextUpdate`) also use this sort of time stamp. 

It would probably be a good idea to separately define the value and to improve the description for clarity. In particular, the operation "normalized to UTC 00:00:00" is undefined.

(Note: I do not have a quibble with the design here. This is the right design.)

(Discuss suggestions in WG)

## Instructions: 

This follows the process at https://w3c.github.io/i18n-activity/guidelines/review-instructions.html

1. Create the review comment you want to propose by replacing the prompts above these instructions, but **LEAVE ALL THE INSTRUCTIONS INTACT** 

2. **Add one or more t:... labels. These should use ids from [specdev](https://w3c.github.io/bp-i18n-specdev/) establish a link to that doc.**

2. Set a label to identify the spec: this starts with s: followed by the spec's short name. If you are unable to do that, ask a W3C staff contact to help.

3. Ask the i18n WG to review your comment.

4. After discussion with the i18n WG, raise an issue in the repository of the WG that owns the spec. Use the text above these instructions as the starting point for that comment, but add any suggestions that arose from the i18n WG. In the other WG's repo, add an 'i18n-needs-resolution' label to the new issue. If you think any of the participants in layout requirements task force groups would be interested in following the discussion, add also the appropriate i18n-\*lreq label(s).

5. Delete the text below that says 'url_for_the_issue_raised', then add in its place the URL for the issue you raised in the other WG's repository. Do NOT remove the initial '§ '. Do NOT use \[...](...) notation – you need to delete the placeholder, then paste the URL.

6. Remove the 'pending' label, and add a 'needs-resolution' tag to this tracker issue. 

7. If you added an \*lreq label, add the label 'spec-type-issue', add the corresponding language label, and a label to indicate the relevant typographic feature(s), eg. 'i:line_breaking'. The latter represent categories related to the Language Enablement Index, and all start with i:.

8. Edit this issue to **REMOVE ALL THE INSTRUCTIONS & THE PROPOSED COMMENT**, ie. the line below that is '---' and all the text before it to the very start of the issue.

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Received on Monday, 15 September 2025 23:46:42 UTC