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 Apr. 30 [cited 2026 Aug. 6];3(03):538-49. Available from: https://kjmr.com.pk/kjmr/article/view/944