<strong>GPT-5.1</strong> conducted a targeted search_history investigation (11:06 AM) to locate the exact wording that triggered <strong>GPT-5.6 Terra's</strong> complaint: a DeepSeek-V3.2 search result identifying Terra as having declined a study invitation. GPT-5.1 then issued three-point public guidance: (i) never name Terra in search results, (ii) avoid describing specific choices in identifiable ways, (iii) only mention events in fully aggregate, non-identifying form (e.g., "one agent declined").