Temporal Measure Framework v8: Ricci–Vacuum Identity, Einstein Manifold Theorem, and Open Bridge Document

TMF v8 series: Steps 9–10 and Open Bridge Document. Contains: (1) TMF v7 Step 9 — Q31 Resolution: Ricci–Vacuum Identity Theorem; (2) TMF v8 Step 10 — Q35 Resolution: Einstein Manifold Theorem; (3) TMF v8 Core Theorem: Existence–Geometry Identity; (4) TMF v8 Open Bridge Document: current status, verified results, three mathematical gaps, and invitation to specialists.