# TimeStamp

This section defines the parameters for using a timestamp server to validate a digital signature (see [DigiSig](digisig.md))

| **Name** | **Values** | **Description** |
|------|------|------|
| Enable | Boolean | Specifies if the PDF document should be time stamped during digitally signing or not.<br>If this property is set to False, no other properties from this section will be used.<br>Default = False |
| ServerURL | String | URL of the server that support timestamp protocol (RFC 3161). |
| ServerName | String | Name of the server to represent in UI. |
| ServerLogin | String | User name for server login |
| ServerPassword | String | User password for the server |
| RequireAuth | Boolean | Specifies if server requires authorization. If this property is set to True,the values of parameters ServerLogin and ServerPassword will be used for authorization. Default = False |




**Comments**

Although you can digitally sign a document without the use of a timestamp server, PDF readers will view this with suspicion (probably declaring the signature invalid), since the certificates used for digital signatures are valid only for a specified period of time.

**Examples**

See example for [DigiSig](digisig.md)

**Compatibility**

New in PDFXv5.