Use the same email connected to your paid subscription. The public site shows the map; the member library holds the full prompts, build details, templates, and playbooks.
Enter the email you used for your paid membership. You will receive a magic link, then the library will confirm that email is on the active member list.
Checkout is handled through Substack. Library access is handled here with your member email.
Subscribe through Substack. Checkout and receipts happen there; the Content Hub OS member library is the product.