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meetings/2026-07-08.md

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+# W3C Solid Community Group: Weekly
+
+* Date: 2026-07-08T14:00:00Z
+* Call: https://meet.jit.si/solid-cg
+* Repository: https://github.com/solid/specification
+
+## Chair
+
+* [elf Pavlik](https://elf-pavlik.hackers4peace.net)
+
+## Present
+
+* Alain Bourgeois
+* Christoph Braun - [uvdsl](https://github.com/uvdsl)
+* Jesse Wright - [jeswr](https://jeswr.org/#me)
+* Biagio Boi - [biagioboi](https://github.com/biagioboi)
+* Ross Horne
+* [Erich Bremer](https://ebremer.com)
+* Marc Haddle(marc.haddle@datasolids.com)
+* Rui Zhao
+
+## Regrets
+
+*
+
+## Scribe
+
+* CB
+
+---
+
+### Meeting Guidelines
+
+* [W3C Solid Community Group Calendar](https://www.w3.org/groups/cg/solid/calendar).
+* [W3C Solid Community Group Meeting Guidelines](https://github.com/w3c-cg/solid/blob/main/meetings/README.md).
+* No audio or video recording, or automated transcripts without consent. Meetings are transcribed and made public. If consent is withheld by anyone, recording/retention must not occur.
+* Join queue to talk.
+* Topics can be proposed at the bottom of the agenda to be discussed as time allows. Make it known if a topic is urgent or cannot be postponed.
+
+### Participation and Code of Conduct
+
+* [Join the W3C Solid Community Group](https://www.w3.org/community/solid/join), [W3C Account Request](http://www.w3.org/accounts/request), [W3C Community Contributor License Agreement](https://www.w3.org/community/about/agreements/cla/)
+* [Solid Code of Conduct](https://github.com/solid/process/blob/main/code-of-conduct.md), [Positive Work Environment at W3C: Code of Conduct](https://www.w3.org/policies/code-of-conduct/)
+* Operating principle for effective participation is to allow access across disabilities, across country borders, and across time. Feedback on tooling and meeting timing is welcome.
+* If this is your first time, welcome! Please introduce yourself.
+
+---
+
+## Introductions
+
+## Announcements
+
+### OS Tools meetings
+
+https://www.w3.org/events/meetings/a6b0a3dc-30fe-4f08-ac74-f51ba5418d07/
+
+* JW: Going to be talking about Solid-OIDC and corresponding libs.
+  * ... Samu, Aaron, Christoph, Ben will be there.
+
+## Actions Review
+
+- JW to make a map of the different w2c group ( for TPAC ? )
+  * JW: nothing to show right now, but similar work currently ongoing for a thing for LWS, so maybe show something for this next week. One application for the map is to help push adoption of shared needs in https://github.com/jeswr/http-query-adoption
+
+## Topics
+
+### Demos
+
+* CB: MANDAT - redirects between business app and authorization app
+  * ... Demo Video: https://purl.archive.org/mandatb2b/JWE2024
+  * ... Solid World Feb 2025: https://vimeo.com/1062571527?share=copy#t=2921.799
+  * ... Paper: https://journals.riverpublishers.com/index.php/JWE/article/view/27783
+  * ... Latest development on Authorization App: https://github.com/uvdsl/solid-authorization-app
+* eP: This is an interaction between a "regular app" to a "specialised app".
+
+### TPAC Session for Solid CG
+
+https://www.w3.org/events/tpac/2026/tpac-2026/
+
+* JW: will check on LWS WG
+* eP: Theo, could you coordinate with the Social CG/WG
+* th: I can have a look, more time in September if that is not too late
+* eP: I think it would be best used time to meet with other groups
+* th: Never been to TPAC, so I don't know how sessions look, so I am not to comfortable to organize something.
+* eP: It is already scheduled, so that part is done, it is more on preparing an agenda, what makes sense to discuss together.
+
+### Proposal: access controlled SPARQL query
+
+https://github.com/jeswr/solid-sparql-query
+
+* JW: response is over the named graphs, and the named graphs that you have access to
+* CB: Solid resources can also be RDF datasets, so this might be a more general problem to solve
+* eP: How do you discover the sparql endpoint of a query
+* JW: Right now, just using the root container, but maybe it should be a different one
+* eP: Maybe focus on the easy problems (like discovery) first, and then the difficult ones (like authorization) later
+
+### Proposal: upgrade to skip DPoP
+
+https://github.com/jeswr/dpop-sk-spec
+
+* JW: One of the discoveries form me benchmarking is that authentication is a substantial overhead.
+  * ... DPoP verification was the main bottleneck.
+  * ... so, the idea here is to allow clients to upgrade to a mechanism that does not require DPoP.
+* RH: Who is being contacted in this process?
+* JW: The access token from the AS is issued once, while the DPoP token is cryptographically verified.
+* eP: DPoP only happens for the token exchange in Solid-OIDC? https://elf-pavlik.github.io/lws-auth/view/oidc/?dynamic=sequence (no dpop only aud restrictions)
+* JW: Not sure if I follow. I understand DPoP to prevent an attacker to re-use extracted tokens.
+* CB: various questions on upraded to what - concerns about extractability of the symmetric key
+
+### Proposal: WebAuthn re-authentication
+
+https://github.com/jeswr/solid-webauthn-reauth-spec
+
+### Proposal: intent handover (login as + open resource)
+
+https://github.com/solid/specification/issues/799
+
+## Actions
+
+## Decisions