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From the last part of the seventh century to the middle of the eighth century, it seems to me that this is possible. Siddhasena mentions Siddhiviniscaya in the context of his father’s works (p. 37), which may be an Akalakara creation. However, it is more likely that it is a work of Shivswami. The mention of Shivswami's Siddhiviniscaya has been made in the commentary on the chapter on the liberation of women by Shakatayana (p. 19). According to what is written in the praise, the present Siddhasena's predecessor Singh suri is the same as the commentator Singh suri of the Malavadika-nayachakra. Therefore, it can be said that the available commentary by Singh suri on Nayachakra is likely the work from the seventh century.
The small edition of the suggested Tatsvārthabhāṣya is authored by Haribhadra. This small edition was published by a local institution named Shri Rishabhdevji Kesrimallji in Ratlam through Haribhadra. This edition is not solely the work of Haribhadra Acharya, but at least three Acharyas contributed to its creation. One of them is Haribhadra himself, who is considered here. There are several Acharyas named Haribhadra in the Shvetambara tradition. There may be more than three authors for this edition, as Haribhaka, Yashabhadra, and Chashabhadra are definitely its disciples; however, based on the reference of Pushpikā at the end of the ninth chapter, others could also be imagined: "This Shri Swarthi, in the work called Dupidupikā, is thus established as having been another creator."