# commitment

> **commitment**(`kk`): `string`

Defined in: [derive.ts:182](https://github.com/FilOzone/synapse-sdk/blob/68e30a2a5457180e60a5579eb5ecff90b65894b3/packages/keysmith/src/derive.ts#L182)

A non-secret commitment to the keyspace key, for FWSS data-set metadata:
`v1.<32 hex digits>`, where `v1` is the format of the value.

## Parameters

| Parameter | Type |
| ------ | ------ |
| `kk` | [`Uint8Array`](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array) |

## Returns

`string`