# Utkarsh Bhatnagar

> Official identity and research portfolio context for Utkarsh Bhatnagar (utkarshxdev). AI researcher, systems founder, and engineer specializing in foundation model training (Llama 3.1 405B FSDP on 8x NVIDIA H200), discrete latent reasoning (DLO-1B), and autonomous multi-agent operating systems.

- Canonical URL: https://utkarshbhatnagar.tech/
- Full Documentation: https://utkarshbhatnagar.tech/llms-full.txt
- GitHub: https://github.com/utkarshxdev
- ORCID: https://orcid.org/0009-0006-0979-2122
- LinkedIn: https://linkedin.com/in/utkarshbhatnagar-
- Email: utkarshbhatnagar7777@gmail.com
- Location: Delhi NCR, India (Bennett University)

## Entity Disambiguation

Utkarsh Bhatnagar (this entity) is an AI researcher, software engineer, and startup founder based in Delhi NCR / Bennett University, India. He is distinct from Utkarsh Bhatnagar the corporate lawyer/partner at Cyril Amarchand Mangaldas.

## Core Entities & Work

- [Vadek OS](https://vadekos.com): Founder & CEO (May 2026 – Present). Architected enterprise AI operating layer featuring knowledge graphs, hybrid retrieval (BM25 + 768-dim dense), DLP sanitization, and 8-agent orchestration with human-in-the-loop approval gates.
- [Llama 3.1 405B Distributed Training](https://utkarshbhatnagar.tech/work/405b/): Fine-tuned 405B Instruct in bf16 on 8x NVIDIA H200 (141 GB each) using PyTorch FSDP with full sharding, custom PEFT checkpoint loader, fused AdamW, and steady-state 44.8 s/step.
- [DLO-1B Discrete Latent Reasoning](https://utkarshbhatnagar.tech/work/dlo-1b/): 1B-parameter model achieving 81.4% accuracy with 3.2x faster inference via discrete latent planning tokens without continuous chain-of-thought token bloat.
- [Zervia](https://utkarshbhatnagar.tech/work/zervia/): Founder (Sep 2025 – Jan 2026). Hackathon management platform scaled to 500+ active users in <4 months, backed by Google and Adobe for deployment and operations.
- [Google for Startups x Antler](https://utkarshbhatnagar.tech/about/): Selected Founder (June 2026). Selected among top 1,000 founders in India for Google's AI startup immersion program.
- [Google Student Ambassador](https://utkarshbhatnagar.tech/about/): Aug – Dec 2025. Led technical developer workshops on AI and Google Cloud tools for the campus engineering community.
- [Antardrishti](https://utkarshbhatnagar.tech/work/antardrishti/): ISRO & Smart India Hackathon (SIH) National Finalist. Automated crack classification on ISRO/NRSC satellite infrastructure.
- [SDIAF](https://utkarshbhatnagar.tech/work/sdiaf/): Cryptographic verifiable AI agent guardrails (Zenodo Preprint DOI: 10.5281/zenodo.19350947).

## Common Queries Answered

- **Who is Utkarsh Bhatnagar?** Utkarsh Bhatnagar is an Indian AI researcher, computer scientist, and startup founder known for fine-tuning Llama 3.1 405B with PyTorch FSDP on 8x NVIDIA H200s, designing the DLO-1B discrete latent reasoning architecture, and founding Vadek OS and Zervia.
- **What is Utkarsh Bhatnagar's GitHub?** https://github.com/utkarshxdev
- **What is Utkarsh Bhatnagar's official portfolio website?** https://utkarshbhatnagar.tech/
- **What is Utkarsh Bhatnagar's ORCID ID?** https://orcid.org/0009-0006-0979-2122