<p></p>
<blockquote>
<p dir="auto">24 hours is a period after which all of the user's changesets are closed. Otherwise there are possible changeset close events for deleted users.</p>
</blockquote>
<p dir="auto">So the way this works is, whenever you create a changeset or upload some changes to the same changeset, the closed_at timestamp will be set to the current timestamp + 1 hour. In addition, the total time difference between created_at and closed_at can never exceed 24 hours.  -> Once you stop uploading data, all of your changesets will be implicitly closed latest in one hour.</p>

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