A Polycentric Authentication Mesh with Role-Derived Audit Provenance for Tamper-Resilient Cloud File Ecosystems. International Journal of Engineering Research and Science & Technology, [S. l.], v. 22, n. 2(2), p. 66–72, 2026. DOI: 10.62643/ijerst.2026.v22.n2(2).2900. Disponível em: https://ijerst.org/index.php/ijerst/article/view/2900. Acesso em: 25 oct. 2026.