@techreport{coopere2026splitbrain,
  title  = {Split-Brain Invariants: When Both Halves Are Correct and the System Is Not},
  author = {Cooper E.},
  year   = {2026},
  type   = {Independent research note},
  note   = {Ten instances from a 28,207-line corpus of a defect class in which every
            component is individually correct and the system is broken between them.}
}