# Discriminator constants (/reference/discriminator-constants)



`In progress`

| Constant                             | Value                                  |
| ------------------------------------ | -------------------------------------- |
| Quantu `give_feedback` discriminator | `[145, 136, 123, 3, 215, 165, 98, 41]` |
| TrustGate authority seed             | `trustgate_auth`                       |
| Feedback log seed                    | `feedback_log`                         |
| Capability namespace seed            | `capability`                           |
| Validation attestation parser size   | `290` bytes                            |

Sources: [`programs/trustgate/src/ext/agent_registry.rs`](https://github.com/agenttrust-labs/agenttrust/blob/main/programs/trustgate/src/ext/agent_registry.rs), [`programs/validation-registry/src/state`](https://github.com/agenttrust-labs/agenttrust/tree/main/programs/validation-registry/src/state)