Extra PDFs not synced into foundational originals
These files exist in 00_sources/extreme_ductility_extension/originals/ but are not part of the current foundational_papers_index.csv canonical foundational layer.
ranade-2013-micromechanics-of-high-strength-high-ductility-concrete.pdf— not in current foundational_papers_index; keep in extreme originals pending extension/foundational decisionnguyen-2026-ambient-temperature-curing-stimulated.pdf— new extension paper; not foundationalnguyen-2026-ice-cooled-ultra-high-performance.pdf— new extension paper; not foundational