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Hardware-Level Cryptographic Protection of Printed Documents via Paramagnetic Titanium Implantation During the Laser Fusing Process

Year: 2026

Type: article

Abstract: This paper proposes a fundamentally new, infrastructure-transparent method for the hardware-level cryptographic verification and anti-forgery protection of printed documents. The vulnerability of standard laser printing lies in the superficial adhesion of the toner polymer, which can be mechanically or chemically removed for fraudulent alteration. The proposed solution involves the integration of a low-concentration (2-5% by mass) fine paramagnetic powder, specifically titanium, into standard laser printer toner formulations.

Source: Zenodo (CERN European Organization for Nuclear Research)

DOI: 10.5281/zenodo.24073119

Author: Fowl-Nouzen, Elia

Language: English

Topic: Physical Unclonable Functions (PUFs) and Hardware Security

Subfield: Hardware and Architecture

Field: Computer Science

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W7225616337

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