The transcript hash is recomputed from the ordered toy values.
The hash covers those values
The toy hash reads the ordered transcript values and reduces them modulo 97.
The inputs are visible
The table shows hello values, certificate digest, server share, and client share before the hash row.
values before hash
The hash row is recomputed
Weighted reduction gives transcript hash 43.
Summary
Changing a transcript value or its order would change the recomputed toy hash.
hash row is checked