Abhidhamma Pitaka
Furthermore, the satipaṭṭhānas can be found in the "Vibhaṅga" (a book of the Theravada "Abhidhamma Pitaka") in a form which differs from that in the "Satipaṭṭhāna Sutta." According to Johannes Bronkhorst and Bhikkhu Sujato, the satipaṭṭhāna formulation in the "Vibhaṅga" is actually an earlier version of the formula (it includes less elements than the "Satipaṭṭhāna Sutta").