you CANNOT send that hash yourself to the network
1. Do you understand that bitcoin's stratum2 is based on
similar principle?
2.
https://bitcointalk.org/index.php?topic=5331736.msg56872924#msg568729243. In getwork protocol, in 2011, in BTC, this worked great! And in chia for the past two months

For this reason, the BTC stratum1 was launched. But I will repeat again: BTC stratum != eth stratum. Stratum1 != Stratum2 etc. If you undertook to criticize the project, specify the coin, the stratum version, the pool version, etc. Otherwise, it is philosophy.