03 · The Permanence Principle סופר

Ink Permanence · 500-Year Archival Study

The ink outlasts the century

STaM carbon ink retains 95 % legibility after five centuries — outperforming every modern alternative by a factor of eight.

100 % 75 % 50 % 25 % 0 % 0 100 200 300 400 500 Years After Inscription Legibility Retention 95 % 12 % STaM Carbon Ink Iron Gall Ink
This is the Hebrew STaM Scroll design system, applied by Curio Design — a design-style library for AI agents. Full Hebrew STaM Scroll guide → designbycurio.com/learn/hebrew-stam-sofer-scroll