The most up to date is at the top. So far both versions are dated 16-10-2026.

The second version’s update corrects a typo older scaffold notation X to truer-notation S in Sec 3.5. Also now reminding the reader of what values this had already been constrained to have. Alongside insertion of a new Remark 1 giving the context of trying to find more equations for an under-determined system, with various possible outcomes perhaps unexpected by the reader or the researcher listed.