Just wanted to say that it’s totally possible to collect and export these types of data for whatever purposes with observation fields.
There are several posts about posting the same individual over time or other ways of linking observations:
https://forum.inaturalist.org/t/using-the-field-similar-observation-set-for-linking-observations-of-lepidoptera-when-raising-on/1018
https://forum.inaturalist.org/t/link-observations/1367
https://forum.inaturalist.org/t/uploading-observations-of-the-same-individual-over-time/2956/
https://forum.inaturalist.org/t/add-interactions-to-species-pages/433