Public Nouns DAO (mainnet): 0x553826Cb0D0Ee63155920F42b4E60aaE6607DFCB

pNounders Safe (mainnet):
0x3808429e985f0b06878c74089831865e5d82a584

Public Nouns Operations ("pnOps") Safes: 
Arbitrum: 0xda04c025F4d8Ac555Fdb3497B197D28FCEcf4d41
Optimism: 0xda04c025F4d8Ac555Fdb3497B197D28FCEcf4d41