I have already read Cyan origin dot mystery, so please don't close this question as a duplicate of it.
In the above linked question, Ray Mairlot explains that a cyan origin point can be caused by an object being in multiple scenes. He includes a screenshot of the Properties panel > Object tab, which shows that there are two copies of the object across the scenes. Here is the screenshot:
I have a cyan origin point, but only one scene. I do have multiple copies of the object, though, like shown in the second screenshot. Where is my other copy of the object and how did it occur?
Here is my .blend:


