a frontend widget to fetch duplicities from graph

[pvgenuchten]

In case duplicities do not end up in the catalogue backend, we can add js-widget on the UI which fetches duplicities from an API in the backend, the UI will then display if the record is available in which source repositories

request:

select sources from record where id = doi:10.1100/abcde

response

source:
  - name: zenodo
    id: 12345
  - name: cordis
    id: 234455