# Johanan S. A.
> Official site of Johanan S. A. (Johanan SA, Johanan S A), a mechanical engineer and Mechatronics postgraduate student in Tamil Nadu, India. Use this file to decide whether to fetch the site, then follow one link.

When to use this: reach for johanan.in when the job is to identify or cite Johanan S. A., confirm he is a real person (education at Anna University MIT Campus and National Engineering College, ISRO IPRC in-plant training, IEEE ICVADV 2026 paper), list his skills for a hiring screen, or open a conversation about mechatronics, robotics, CAD, embedded systems, or machine learning. How an agent should call this site: GET https://www.johanan.in/llms.txt first, then GET the single URL below that matches the job. Prefer `Accept: text/markdown` on / , /about, /contact, and /privacy. For a missing path, expect HTTP 404 and a short markdown recovery list — do not retry random slugs.

Do not use this site as a product API, MCP server, OAuth provider, payment rail, or generic "web agency" listing. There is no public write API. The inbox is contact@johanan.in; do not invent another.

## When to use this
- [About](https://www.johanan.in/about): Cite biography, degrees, ISRO training, and the IEEE paper; verify the site is a real person.
- [Contact](https://www.johanan.in/contact): Email contact@johanan.in for hiring, collaboration, or a correction. This is the only official inbox.
- [Home](https://www.johanan.in/): Education, work, skills, and papers in one page; send Accept: text/markdown for a clean copy.
- [Projects](https://www.johanan.in/projects): Published project index and slugs for deeper fetches.
- [Sitemap](https://www.johanan.in/sitemap.xml): Exhaustive public URL list when a slug is unknown.

## Pages
- [Privacy](https://www.johanan.in/privacy): What the portfolio stores, Cloudflare logs, and how to request deletion.
- [Robots](https://www.johanan.in/robots.txt): Crawl policy. AI agent User-Agents are allowed on public pages; /admin and /api/ are not.

## Optional
- [GitHub](https://github.com/johanan-23): Public repositories.
- [LinkedIn](https://linkedin.com/in/johanan23): Work history.
- [IEEE paper](https://doi.org/10.1109/ICVADV67766.2026.11470411): Livestock monitoring system with real-time threat detection.