Which requirement chiefly distinguishes intrinsic hasan from intrinsic sahih?

Hasan li-Dhatihi, Sahih li-Ghayrihi, and al-Tirmidhi’s Composite Terms

• Sahih requires continuity, whereas hasan requires a break
• Uprightness is unnecessary for hasan
• Hasan permits adequate but lighter precision, while sahih requires full precision
• Hasan allows a disqualifying hidden defect