Aerosol generating apparatus, aerosol generating article and method of determining data associated with an aerosol generating article

An aerosol generating article, comprising:

• an aerosolizable medium;
• a first marker arrangement comprising a plurality of first marker regions;
• and
• a second marker arrangement;
• wherein the first marker arrangement is positioned at a predetermined position relative to the second marker arrangement, such that a comparison of the first marker arrangement with the second marker arrangement is indicative of data associated with the aerosol generating article.

A method of determining data associated with an aerosol generating article, the method comprising:

• detecting the presence of a first marker arrangement on the article, the first marker arrangement comprising a plurality of first marker regions;
• detecting the presence of a second marker arrangement on the article, wherein the second marker arrangement is located at a predetermined position relative to the first marker arrangement;
• comparing the plurality of first marker regions with the second marker arrangement, to determine a plurality of comparison values;
• and
• determining the data based on the plurality of comparison values.