The obs: namespace
Namespace: https://openbriefingstandard.org/ns#
These are the tags of the Open Briefing Standard, Draft 1.1. In a page they are <meta property="obs:…" content="…"> tags in the head. In a feed they are elements in this namespace. The specification is the authority; the tag names are not yet fixed.
| Tag | Meaning | Required |
|---|---|---|
obs:modified | When any obs: tag on the page last changed, as an ISO 8601 date and time | yes |
obs:summary | The publisher's summary, of any length. Its tier comes from its length (§4). | yes, unless a tiered summary is present |
obs:summary:short | A summary written for the short tier | no |
obs:summary:medium | A summary written for the medium tier | no |
obs:summary:long | A summary written for the long tier | no |
obs:title | A title for cards and lists, 12 words or fewer | no |
obs:headline | One or two lines, 40 words or fewer, to tap or hear before going further | no |
obs:keep | A line of 40 words or fewer that every form must preserve. The first is the core message (§6). | no; up to 3 |
obs:highlight | A passage of 60 words or fewer, taken word for word from the content, that may be quoted on its own (§7). Order is priority. | no; up to 5 |
obs:highlight:label | A label of 6 words or fewer for the highlight it follows, such as "On control" (§7) | no |
obs:derive | What may be derived from the summary: verbatim, anchor or open (§5) | no; default anchor |
obs:derive:translate | no asks that the summary not be translated | no; default yes |
obs:derive:combine | no asks that the summary not be merged with other sources | no; default yes |
obs:attribution | How the publisher wants to be credited, 12 words or fewer (§8) | no |
obs:preference | summary or full (§11) | no; default summary |
obs:lang | The language of the obs: text, as a BCP 47 tag. Defaults to the page's <html lang>. | no |
obs:url | The canonical URL of the content the tags describe (§12) | no |
obs:version | The major version of OBS the tags follow | no; default 1 |