Yes, content on IPFS is represented as a Merkle tree so if you pin the top of the tree it will traverse down and recursively pin all of the subtrees as well. (Y

Yes, content on IPFS is represented as a Merkle tree so if you pin the top of the tree it will traverse down and recursively pin all of the subtrees as well. (You can, of course, pin a subtree explicitly if there's a only certain part you want.)