Notes from the seams
Issue N°01 · April 2026
Edited from Kolkata, Mumbai & Amarkantak
§ Research

Open notebooks.

Long-form inquiries built in Google NotebookLM. Public summaries are free to read. The underlying sources, the chat history with the notebook, the citation map, and the methodology page are available for a one-time unlock. No subscription. You pay per notebook. You keep it forever.

Research Digest

Ground truth in visual AI, a literature map

A three-week mapping of what the academic and industry literature on visual AI evaluation actually says about ground truth. Forty-one sources, annotated. The consensus turns out to be much thinner than most practitioners assume.

Started 02 March 2026 · 41 sources · 12,000 word summary · Last updated 10 April

₹499Full notebook
Research Digest

What Carl Zeiss published about perception

A reading through a century of Carl Zeiss's technical and philosophical publications on optics and human vision, looking for what they knew about perception that computer vision has quietly forgotten. Some of it is remarkable.

Started 15 January 2026 · 28 sources · 9,200 word summary · Last updated 08 April

₹399Full notebook
Research Digest

The economic afterlife of regional fiction, 1971–2024

Starting from Ray's Sonar Kella and its measured effect on Jaisalmer tourism, this notebook traces how specific regional stories have materially changed the economies of the places they were set. Includes a working dataset of twelve comparable cases.

Started 20 December 2025 · 53 sources · 15,800 word summary · Last updated 02 April

₹899Full notebook

§ How the unlock works

Each notebook has a free public summary (what you see on its page). The paid unlock gets you: the full NotebookLM chat history as a browsable archive, the underlying source documents where licensing permits, a citation map visualising where each claim came from, a methodology page explaining how I ran the inquiry, and any spreadsheets or datasets built along the way.

Payment by Gumroad. One-time, no subscription. Complimentary access for working journalists and students by emailing vireshwardas@outlook.com with a short context line.

© 2026 · Vireshwar DasKolkata · Mumbai · AmarkantakAll pieces labeled with provenance.