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 May 30 [cited 2026 Jun. 27];3(05):163-74. Available from: https://www.kjmr.com.pk/kjmr/article/view/944