This is already something on the list of things that the ActivityPub Trust & Safety Taskforce is working on:
https://github.com/swicg/activitypub-trust-and-safety/issues/4
Idea: Annotations / Labeling of content · Issue #4 · swicg/activitypub-trust-and-safety
github.com
The Web Annotations model could work, but the discovery of annotations that exist is the hardest part, I've started solving that in https://github.com/ThisIsMissEm/annotations-service where I use the sha256 hash of the Object ID as the annotation collection ID, giving a very simple way to fetch all annotations for a given object.
I do want to investigate what an Annotate activity would look like, but I suspect this would just be an announcement of sorts "hey, there's this web annotation over here for this target"
Yours,
Emelia
> On 13 Jan 2025, at 04:23, Evan Prodromou <evan@prodromou.name> wrote:
>
> We don't have an easy way for remote actors to annotate content on the Fediverse.
>
> The biggest use case for this is to have permissionless fact-checking or community notes. A fact-checking service could annotate a remote content object like a Note or a Video with additional fact-checking information, and compliant clients or servers could show the fact-checking information when showing the Note.
>
> I think there are some tricky parts to this structure, which I believe suggests that we should start working on it.
>
> Evan
>
>
