Private screening candidate. Local Orb-v3 conservative-20 OMat variable-cell relaxation: converged=true, achieved max force 0.02866 eV/A, max stress 0.00344 eV/A^3; B CN9 2/2 and Fe CN12 3/3 survive; legacy topology fingerprint unchanged. MLIP topology survivor only, not DFT or stability evidence. Raw SHA-256 cbf4d7a53890e226ebdc1a8953d6943fcf86d0a8809046c3fc452cc249fdc764