I've taken a look at eSteem apps, looks like a Steemit client to me.
Btw, by ownership, do you mean for a bounty? One of the simplest ways to do it is just to put your name or ETH address on the article that you wrote.
This what others do, better acquire some signed wallet address to place in it and have your username the same in all you use platform. Putting your ETH Address can be a good way.