Optical laminate, article, and production method for optical laminate

An article comprising:

• an optical laminate comprising:
• a plastic film;
• an adhesion layer;
• an optical function layer;
• and
• an antifouling layer laminated in order, wherein:
• the antifouling layer is made of a vapor-deposited film obtained by vapor deposition of an antifouling material;
• the antifouling material contains a fluorine-based organic compound;
• the adhesion layer is made of an oxide of Si;
• a film thickness of the antifouling layer is 2.5 nm or more;
• a water vapor transmission rate is 1.5 g/(m2·1 day) or less;
• a hue change ΔE value of reflected color in consideration of specular light (SCI) after contacting a sodium hydroxide aqueous solution having a liquid temperature of 55° C. and a concentration of 0.1 mol/L for four hours is less than 10;
• and
• a surface roughness Ra of the antifouling layer is 3 nm or more and 10 nm or less.