title: Mongodb get new values from collection without timestamp
body: <p>I want to fetch added new values  from mongodb collections without timestamp value. I guess only choice using objectid field. I using test dataset on github. &quot;https://raw.githubusercontent.com/mongodb/docs-assets/primer-dataset/primer-dataset.json&quot;
  For example if I add new data to this collection, how ı fetch or how ı find these new values.
  Some mongodb collections using timestamp value, and I use this timestamp value for get new values. But ı do not know, how ı find without timestamp.
  Example dataset ;
  <a href="https://i.stack.imgur.com/ZTstM.png" rel="nofollow noreferrer">enter image description here</a></p>
  <p>I want like this filter. but it doesn't work</p>
  <pre><code>{_id: {$gt: '622e04d69edb39455e06d4af'}}
  </code></pre>