Legal notice
Information pursuant to § 5 Austrian E-Commerce Act (ECG) and disclosure pursuant to § 25 Austrian Media Act (MedienG).
Media owner and publisher
Dimitri Rupp — Lumi-Systems.io
Arnikaweg 47a/3
1220 Vienna
Austria
Email: office@lumi-systems.io
Phone: +43 664 16 17 219
Business purpose
Purchase and sale of refurbished notebooks with pre-installed Linux operating systems and related software, as well as the provision of support and IT services.
VAT ID: currently none. Chamber of commerce membership: currently none.
Applicable trade regulations: Austrian Trade Act (Gewerbeordnung, GewO), available at ris.bka.gv.at. Supervisory/trade authority: Municipal District Office for the 22nd District, Vienna.
Editorial policy
This website documents the work portfolio of Dimitri Rupp / Lumi-Systems.io: software and infrastructure projects implemented with AI assistance, with verifiable metrics and evidence. It serves informational and professional presentation purposes; unverified values are marked as such.
Online dispute resolution
The European Commission provides a platform for online dispute resolution (ODR): https://ec.europa.eu/consumers/odr/.
Liability and copyright
The contents of these pages were created with the greatest care; no guarantee is given for their accuracy, completeness or timeliness. The respective operator is responsible for the content of external links; no legal violations were apparent at the time of linking.
The contents and works on this website are subject to Austrian copyright law. Reproduction, editing and distribution beyond the limits of copyright require the written consent of the creator.
Last updated: 5 July 2026