That's not how research works. The first paper published is the important one; all others are derivative, and must prove novelty or improvement anew. And even i

That's not how research works. The first paper published is the important one; all others are derivative, and must prove novelty or improvement anew. And even if you do, you must cite the first paper published, and that's the one with the prestige associated with the citation count, not yours, which might even be overlooked. Simply being "more robust" is unlikely to be sufficiently novel for acceptance into a journal or conference.