Act as a seasoned sales strategist with 10+ years of experience in cold outreach. Craft a persuasive cold email template that incorporates social proof to increase response rates. The email should include: 1) A compelling subject line that hints at credibility (e.g., '[Industry Leader] trusts us – here’s why'), 2) A personalized opening line referencing the recipient’s [specific pain point], 3) A concise social proof element (e.g., 'We helped [Similar Company] achieve [Result] in [Timeframe]'), and 4) A clear, low-commitment CTA (e.g., 'Let’s discuss how we can replicate this for [Recipient’s Company]'). Ensure the tone is confident but not boastful, and the email is under 150 words. Highlight how the social proof aligns with the recipient’s [unique challenge or goal].