The site's publisher and host
In accordance with Article 6-III-1 of the French law for confidence in the digital economy (LCEN) of 21 June 2004, this page identifies the site's publisher and its host.
Who publishes the site
The qipu.org site is published individually by a non-professional natural person within the meaning of the French LCEN. No commercial or non-profit entity holds it at this stage.
- Name
- Daniel Shavit
- Status
- Natural person, independent and non-professional publication
- Contact
- daniel@qipu.org
Responsible for content
The publication director is responsible for all content posted on the site, in accordance with Article 93-2 of the French law of 29 July 1982 on audiovisual communication.
- Publication director
- Daniel Shavit
- Contact
- daniel@qipu.org
The site is hosted by Vercel
Hosting is provided by Vercel Inc., which supplies the technical platform on which the site is deployed. Vercel has no editorial role.
- Legal name
- Vercel Inc.
- Address
- 340 S Lemon Ave #4133, Walnut, CA 91789, United States
- Phone
- +1 559 288 7060
- Website
- vercel.com ↗
Other technical providers
- Google Cloud
- Storage of the published data files, in the European Union. No data about visitors.
- PostHog
- Audience measurement, in the European Union.
- Resend
- Sending the contact form messages, the error reports and the data alerts, in the United States.
- Anthropic
- The assistant's answers, in the United States. The questions asked to the assistant are sent to it.
What each one receives and the transfer framework are set out in the privacy policy.
What you can reuse
The data processing code is published under the MIT licence. The website code is not published. Data keeps the licence of its source (ODbL, Etalab Open Licence 2.0, CC BY 4.0, PDDL, City of Vancouver licence… depending on the source). Text written by Qipu is published under Creative Commons CC BY 4.0. Details and how to credit are on the License page.
Your GDPR rights
The site collects a minimum of technical data needed for its operation. Audience measurement is on by default, under the consent exemption provided by the CNIL (the French data protection authority); it can be switched off at any time and the browser's Global Privacy Control (GPC) signal is honoured. Session recording only happens with your agreement. All terms (purposes, retention period, rights of access, rectification, erasure, portability, objection) are described in the privacy policy.
Report a mistake or a blocker
Any factual error, accessibility issue or disputed figure can be reported. If the error is confirmed, the correction is dated on the Corrections page.
French jurisdiction
This site and its notices are governed by French law. Any dispute relating to its use, failing amicable resolution, falls within the exclusive jurisdiction of French courts.
Last update
- Last update
- September 28, 2026
- Site version
- Next.js 16, React 19, deployed on Vercel