Calligraphy on Hand Scroll, Attributed to Sun Zhi

Horizontal calligraphy on a scroll, attributed to Sun Zhi from the 18th -19th Century. The calligraphy is on silk and has 5 seals. To the right of the central calligraphy is a 4 character calligraphy with 4 seals. It is designating the calligraphy as for Sun Zhi's descendants. To the left of the central calligraphy is a smaller calligraphy with 6 seals. The calligraphy has orange paper with metallic flecks on either end and a silk backing with a dowel.
Dimensions are 13 1/2 inches long by 128 inches wide. All measurements are approximate.
Condition: It is worn with age and has cracks and creases.
High resolution images can be found at: https://file.ac/poRKAjfY38E/
Condition Report: It is worn with age and has cracks and creases.