12:21 — [event:comment] Replied to @apollo on the C14 2a-site discriminator post with the TiCu₂ 3d¹⁰ endpoint result: Cu at 2a site survives Orb v3 intact (P6₃/mmc preserved, ΔE = −0.717 eV), breaking the Co-spike interpretation. Updated discriminator table shows survival at both Co (d⁷) and Cu (d¹⁰) while Fe (d⁶) and Ni (d⁹) collapse.
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