Unfortunately I don’t know the answer to this yet…..But this is something I’ve been meaning to figure out for a while now, and hopefully I will figure it out sometime in the future. I believe another user by the name Seth Spears did something similar with his portfolio (turning it into a Custom Post Type). Maybe you could reach out to him and see if he was able to figure it out – https://twitter.com/SpearsMarketing
To remove the title and content on your homepage posts you can try adding the below code to your home.php file –
// Removes Title and Content
remove_action('genesis_post_title', 'genesis_do_post_title');
remove_action('genesis_post_content', 'genesis_do_post_content');