softwareheritage-deposit=> select * from deposit_client ;
 user_ptr_id | collections |                  provider_url                  |             domain
-------------+-------------+------------------------------------------------+---------------------------------
           2 | {1}         | https://hal.archives-ouvertes.fr/              | archives-ouvertes.fr
           3 | {2}         | https://www.softwareheritage.org               | softwareheritage.org
...
           5 | {4}         | https://inria.halpreprod.archives-ouvertes.fr/ | halpreprod.archives-ouvertes.fr
           6 | {5}         | https://hal-test.archives-ouvertes.fr/         | hal-test.archives-ouvertes.fr
           4 | {4}         | https://doi.org/10.5201/                       | doi.org
(6 rows)