For example, here is a contract https://explorer.testnet.near.org/accounts/dev-1630244685532-93937831175122 sha256sum
base58:FVGRxG3zAboyGMq4o87qvwmaYg3P3LeoWdj8GotVnHK9
hex:d741539de82b0c980887696cfc4c5f759f5cd696371264f0b752b1a99c260c04
I claim this is the source code: https://github.com/ilyar/web3-avatar/tree/1fb512b432aa29f46cd0ac2de138d8ca46937b0e Proof: