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Qipu
— Legal notice

Who publishes, who hosts, who to contact.

In accordance with Article 6-III-1 of the French law for confidence in the digital economy (LCEN) of 21 June 2004, the information identifying the site's publisher and host is provided below.

01Publisher

Independent publisher

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
02Publication director

Content responsible

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
03Host

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 ↗
Hosting by a provider outside the European Union involves technical data transfers (server logs, request headers) to the United States. These transfers are governed by the EU-US Data Privacy Framework (CNIL/European Commission adequacy decision of 10 July 2023). Details in the privacy policy.
04Intellectual property

Everything is open, under explicit licenses

The source code of the site and pipeline is published under GNU AGPL-3.0. The derived data is published under the Etalab Open License 2.0. Editorial content (articles, analyses, methodology) is published under Creative Commons CC BY 4.0. Reuse and attribution terms are detailed on the License page.

See full licenses
05Personal data

Your GDPR rights

The site collects a minimum of technical data needed for its operation and, with consent, anonymised audience metrics. All terms (purposes, retention period, rights of access, rectification, erasure, portability, objection) are described in the privacy policy.

Privacy policy
06Reporting

A mistake, a blocker?

Any factual error, accessibility issue or disputed figure can be reported. Response within five business days; correction documented in the public changelog if the error is confirmed.

daniel@qipu.org ↗Contact formAccessibility & remedies
07Applicable law

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.

08Meta

Last update

Last update
May 7, 2026
Site version
Next.js 16, React 19, deployed on Vercel
This notice evolves with every structural change: change of legal status, of host, or of publication director. Every correction is dated.