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81Matrix is a study-first initiative on traditional Indian knowledge — Vastu Shastra, the classical texts, and living heritage such as the Nakshatravanam garden. We publish what the sources actually say, and we are explicit about where interpretation begins.
Why the name
The 9×9 grid — eighty-one padas — is the paramaśāyika maṇḍala, the diagram the treatises lay over a site before a single dimension is fixed. It stands for the thing we care about most: that order is reasoned out before it is applied.
Most of what circulates today as "Vastu" arrives through centuries of regional gloss and modern popularisation rather than from the treatises directly. Our work is to put the verse, the commentary and the current evidence side by side so a reader can see which is which.
Editorial standards
01 — Name the source
Every claim is tied to a text and, where possible, a chapter — with the edition and translator stated.
02 — Keep the layers apart
What the verse says, what the commentarial tradition made of it, and what can be defended today are marked separately.
03 — Record variants
Where recensions or regional glosses disagree, we publish the disagreement instead of picking a winner.
04 — Say when we do not know
Where a rule depends on a vanished context, or a claimed property has no published support, it is labelled as such.
What we publish
The learning library — short, source-based lessons on Vastu: foundations, spatial order, site and building practice.
The library of sources — the classical treatises and Vedic material, with coverage notes and the editions we read from.
Nakshatravanam — a living collection of 27 nakṣatra plants, validated against both text and field record.
Reference material — a cited glossary, a staged reading order, and printable sheets for study and site work.