> **THE READING PLAQUE.** *The Quad Hinge, held*, draft 0.2 — **made readable on the SX
> surface by its covering persona's reading grant; a draft, not the published form.** The
> grant stands by the operator's word (2026-09-16), verbatim: "ok - now do the same for the quad hinge."
> Covering: **starl3n** · endorsing: **Link Digital** (the standing pair). The Foundations
> · 14: the fourteenth reading of the foundations series — an experiment of the
> observatory node, held on this node. The construction record stands in the open
> workshop at [/sx/workshop/the-quad-hinge-held](/sx/workshop/the-quad-hinge-held); the
> experiment's own door, [opendata.ai/quad-hinge](https://opendata.ai/quad-hinge), wears
> the word *grown · held* and links back here while this grant stands. Reading is free;
> the way across is a statement of intent ([/sx/matters](/sx/matters)). This file's sha256
> is pinned in the reading register.