TODO: Paste final essay body
The shipped IA expects long-form thinking to live here rather than on the homepage. This stub preserves the route, metadata, and image placeholder while the owner supplies the final copy.
First derivative: proof
TODO: Add the section on proof on real people, not models.
Second derivative: propagation
TODO: Add the section on networks that carry the signal without degradation.
Third derivative: financial architecture
TODO: Add the section on instruments that capture externalities as returns.