Statement 1 is Incorrect: Nettipakarana is a Buddhist scripture (Theravada tradition) that serves as a guide to the interpretation of the Pali Canon. It is not associated with Jainism.

Statement 2 is Correct: Parishishtaparvan (also known as Sthaviravalicharitra) is a Jaina text written by the 12th-century scholar Hemachandra. It is an appendix to his larger work and provides historical accounts of early Jaina teachers.

Statement 3 is Incorrect: Avadanashataka is a collection of one hundred Buddhist legends (Avadanas) written in Sanskrit. The term 'Avadana' typically refers to Buddhist literature detailing the past lives and deeds of individuals.

Statement 4 is Correct: Trishashtilakshana Mahapurana (also known as the Mahapurana) is a major Jaina text composed by the Digambara monks Jinasena and Gunabhadra in the 9th century. It details the lives of the 63 'Great Men' (Shalakapurushas) of Jainism.