According to Bareau, the oldest core components of all these accounts are just the account of the Buddha's parinirvāṇa itself at Kuśinagara and the funerary rites following his death.
Menurut Bareau, komponen inti tertua dari semua laporan ini hanyalah laporan mengenai Parinirvāṇa Buddha itu sendiri di Kuśinagara dan upacara pemakaman setelah kematiannya.