GEO Ghost Stack — Seven-Layer Structured Data That Makes AI Systems Cite Your Site

A blank white page became the #1 cited source in Perplexity within 36 hours — no visible content, just seven layers of machine-readable signals hidden underneath. This is a reusable agent skill that lets you audit and scaffold those same layers on any website. The seven layers: Semantic meta tags + VibeTags (brand signals for crawlers) JSON-LD structured data (schema.org ( http://schema.org/ ) — Organization, Person, FAQPage, Service) sr-only narrative (DOM content accessible to screen readers a