nostr:npub1ek8rajnxu0djzdm7p0eww7h0g8xd2wh07wqc05hw98j32rnwjlqqvlt2en Should be no problem. All you have to do is put a link on your blog to your mastodon account that has the rel="me" attribute in the link, so in your case:

<link href="nostr:npub1ek8rajnxu0djzdm7p0eww7h0g8xd2wh07wqc05hw98j32rnwjlqqvlt2en" rel="me">