docs: add Website badge and arXiv citation

README.md

@@ -26,6 +26,7 @@ pipeline_tag: text-generation
 [![npm @zensation/algorithms](https://img.shields.io/npm/v/@zensation/algorithms.svg?label=%40zensation%2Falgorithms)](https://www.npmjs.com/package/@zensation/algorithms)
 [![npm @zensation/core](https://img.shields.io/npm/v/@zensation/core.svg?label=%40zensation%2Fcore)](https://www.npmjs.com/package/@zensation/core)
 [![GitHub](https://img.shields.io/badge/GitHub-zensation--ai%2Fzenbrain-black?logo=github)](https://github.com/zensation-ai/zenbrain)
+[![Website](https://img.shields.io/badge/Website-zensation.ai-orange)](https://zensation.ai)
 
 ## Overview
 
@@ -127,6 +128,16 @@ const results = await memory.recall('Hebbian learning', { topK: 5 });
   url     = {https://zenodo.org/records/19482704},
   note    = {Zenodo Preprint}
 }
+
+@article{bering2026zenbrainarxiv,
+  title         = {ZenBrain: A Neuroscience-Inspired 7-Layer Memory Architecture for Autonomous AI Systems},
+  author        = {Bering, Alexander},
+  year          = {2026},
+  eprint        = {2604.23878},
+  archivePrefix = {arXiv},
+  primaryClass  = {cs.AI},
+  url           = {https://arxiv.org/abs/2604.23878}
+}
 ```
 
 ## License