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What we store

Bytes that no workspace holds any more are deleted by the retention job; nothing is kept “just in case”.

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Access boundaries

References are visible only inside their workspace. Download URLs are presigned, short-lived, and scoped to one object. Refmatter never uses accounts, cookies, or client emulation to acquire content, and acquires only what a source serves publicly.

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Takedown

Rights holders and platforms can request removal of a source object. For a valid, sufficiently specific request we acknowledge it with a ticket id and act within 24 hours: every hold on the identified media is released, the bytes are detached and scheduled for verified deletion, and re-acquisition of that canonical URL is blocked until the request is resolved. Affected workspaces see the normal mediaAvailability: "expired" on their references; observed metadata is removed on request while the audit trail of the takedown is kept. Send requests to ilya@nim.video with the source URL and your relationship to the content.