Decentralized Provenance Layer for Foundation Models: A Framework for Quantifying and Penalizing Synthetic Data Contamination in Recursive LLM Training. Kashf J. Multidiscip. Res. [Internet]. 2026 Mar. 4 [cited 2026 Sep. 23];3(03):538-49. Available from: https://kjmr.ac.pk/kjmr/article/view/944