I posted that image on March 12 this year. Google has had plenty of time to find it.

What links to do you mean? A Google bot crawls websites and indexes all information. When it finds an image, it should be able to store the URL of that image.

Here's what the image URL looks like:

https://images.hive.blog/p/PB8ro82ZpZP2DJYqWdv8qwdFPnFdSQrixPMNvTU9D4q8UVKknKMnCKdFJNvT1MNuuuPoqb99xqRZmQzyo9yTy27A7AV29SX6zUC712e2pVK3fmiW?width=800&height=600&format=webp&mode=fit