Paralelní Polis is no more, but it looks like the Institute is still alive:

nostr:nevent1qvzqqqqqqypzpphmupasy39ysqemgd47ez4yc2pw6wsxae7ec7hdyw09292qf6zaqy2hwumn8ghj7un9d3shjtnyv9kh2uewd9hj7qgwwaehxw309ahx7uewd3hkctcqyzs3s54u7stk2e3ufux69n74ak0edvu75w9wxfvv9w8kpcqqk044gns4yfr 

 The institute is not tied to the building, it's like ECB, having many branches. But contrary to ECB we do not have any hierarchy.