> ## Documentation Index
> Fetch the complete documentation index at: https://docs.provenlog.com/llms.txt
> Use this file to discover all available pages before exploring further.

# plog timestamp

> Request RFC 3161 timestamps

`plog timestamp` signs the current Merkle root with an RFC 3161 Timestamp Authority.

## Usage

```bash theme={null}
plog timestamp
plog timestamp --tsa-url https://your-tsa.com
plog timestamp --list
plog timestamp --verify
```

## Flags

| Flag        | Default                   | Description                       |
| ----------- | ------------------------- | --------------------------------- |
| `--tsa-url` | `https://freetsa.org/tsr` | Timestamp Authority URL           |
| `--list`    | `false`                   | List stored timestamps            |
| `--verify`  | `false`                   | Verify the latest timestamp       |
| `--server`  | —                         | Use a remote server               |
| `--api-key` | —                         | API key for server authentication |
| `--db`      | `~/.provenlog/events.db`  | Local SQLite database path        |

## Examples

```bash theme={null}
# Request a timestamp from the default TSA
plog timestamp

# Use a custom TSA
plog timestamp --tsa-url https://your-tsa.com

# List all timestamps
plog timestamp --list

# Verify the latest timestamp
plog timestamp --verify
```

See [RFC 3161 Timestamping](/features/timestamping) for more details.