Yes just the invoice hash will be enough for it to stop pending.
there we go! thanks for the help:) bee6bed582859a2bc60b15a4026c2bb5aeaf4790c51e2fbcf97a83d5e4f321e4
I'm really curious about how things work in the backend, but too bad I can't read code yet - I'm constantly amazed by how SN works!