Systematic tier-1/2 source placement program for claim validation. Define: target claim, target sources (5+ tier-1/2), success metric (claim cited in quarterly testing). Tactics: earned media outreach, analyst briefings, peer-reviewed publication, authoritative directory inclusion, expert testimony. Track: source placement, claim corroboration, citation coverage increase. Run quarterly campaigns on under-corroborated claims. Measure ROI through citation coverage delta. Not content marketing — this is infrastructure construction. Primary mechanism for contested → defended transition.