Euangelion — original explanatory graphic
Created 6 October 2026 (America/Los_Angeles).
Original SVG composition; no third-party artwork reproduced.
Source basis: https://openai.com/index/eu-text-provenance/
Identity and limitations: OpenAI-reported detection of its watermark in 400-token English passages: approximately 92% without synonym substitution, 66% with 10% of words replaced, and 17% with 25% replaced. Bars share a zero-to-100 percent scale. This experiment does not measure ordinary editing or prove authorship.