Not really. Content-addressed implies that if the content changes, so does its address, such that returning a different result for the same address is a hard pr

Not really. Content-addressed implies that if the content changes, so does its address, such that returning a different result for the same address is a hard protocol violation. Having a content hash as (part of) the address is common way to this. IPFS multihash is a well-known example. As opposed to HTTP.