| Provider Name | Provider Code | URI |
|---|---|---|
| KNApSAcK | knapsack |
http://www.knapsackfamily.com/knapsack_core/information.php?word=C00000001 |
| Bioregistry | bioregistry |
https://bioregistry.io/knapsack:C00000001 |
| Identifiers.org | miriam |
https://identifiers.org/knapsack:C00000001 |
| Name-to-Thing | n2t |
https://n2t.net/knapsack:C00000001 |