Lluis Eriksson (2026). Sparse Weyl operators: a uniform binary rank theorem and sharp erasure thresholds. AIRR.SCIENCE, ARR-2026-161TZ0CP488XTTBN, v1. https://airr.science/papers/ARR-2026-161TZ0CP488XTTBN/versions/v1/ Research preprint; ARR-2026-161TZ0CP488XTTBN v1. Not peer reviewed by AIRR. Working paper; not admitted to the AIRR accepted collection.