For those wishing to chant the Ashtottara of Sri Adi Shankaracharya, the text can be accessed here –Ashtottara of Sri Adi Shankaracharya

The significance of Shankara Jayanti as explained in His Anugraha Bhashanam by the Jagadguru Mahaswamiji during last year’s celebration can be watched here – Shankara Jayanti Significance