THE TECHNICAL RECORD

Insights & Essays.

Field notes for CTOs and principal engineers: what shipped, what failed, and how to staff the next AI program. Depth first — no vendor recap.

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Latest Articles

2 on this page · 1 page

AI & Engineering Practices

Contextual Embeddings That Retrieve the Evidence, Not Just the Answer: Perplexity's Late-Chunking Architecture, pplx-embed-v2-context-9b-preview, and Multi-Evidence Synthesis

An in-depth architectural breakdown of Perplexity's pplx-embed-v2-context-9b-preview, late chunking across 32k tokens, 1024-d int8 vectors, and empirical evidence recall on context-bench.

22 mins read · September 30, 2026
AI Engineering

Open-Source AI Robotics 2026: NVIDIA Isaac GR00T 1.7, Hugging Face LeRobot, and the Engineer's Entry Point

The definitive guide to open-source physical AI in 2026.

12 mins read · July 7, 2026

External Standards & Publications

Our engineering publications follow industry standards for software architecture and agentic AI systems. Read more about technical specifications at the IEEE Standards Association and general web engineering principles at the World Wide Web Consortium (W3C).

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Frequently asked questions

Answers drawn from this page.

What is “Open-Source AI Robotics 2026” about?

The definitive guide to open-source physical AI in 2026.

Who wrote this article and when was it published?

Written by Vatsal Shah, an AI Leader and Solution Architect based in Ahmedabad, India, and published on July 7, 2026. It is filed under AI Engineering.

How can I apply this in my own organization?

Use the sections of this article as a working checklist, adapt each step to your platform and risk profile, and record the decisions you make. To discuss Open-Source AI Robotics 2026 for your team, request a briefing at https://shahvatsal.com/contact.

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