Brief blog post, with picture of UI: https://plasticlabs.ai/blog/research/Plastic-Labs-at-ICLR-20... (site has an scroller bug with anchor seeking - relevant bit is half-way down the short page).

Github: https://github.com/ibm-granite/granite.debug-tools/tree/main...

Paper: LogitScope: A Framework for Analyzing LLM Uncertainty Through Information Metrics https://arxiv.org/abs/2603.24929