# Device Serial Number

Derive a unique, consistent serial number of this device from internal data.

```sig

```

### Parameters

* ``a``: 
* ``b``: 
* ``c``: 

### Returns



### Example

The following example / This program does something.

```blocks

```

### See also

[bar bas](/reference/foo/bar-bas),
[bar bas](/reference/foo/bar-bas),
[bar bas](/reference/foo/bar-bas)