it sounds a lot like this would need some kind of delegation mechanism where you could point to a different URL in-time before abandoning the place. or maybe so

it sounds a lot like this would need some kind of delegation mechanism where you could point to a different URL in-time before abandoning the place. or maybe some kind of sealing using a cryptographic function that lets you proof your are the owner of the current/previous content and also would proof you are not the owner of the newer content while this proof could be used to release the ban if ever needed.