Catalog of Complex Hadamard Matrices, associated scripts and other data.

Description excerpted from the original listing, which is linked below.

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Facts

Published: 17 Aug 2026 (26d ago)
Medium: web
Language: English (the page says so itself)
First seen: 13 Sep 2026, 08:05 UTC

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Claude Code: confirmed
the agent's own trailer in the repository's commit history

What we can see

77 hygiene score

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Transport security TLS 1.3

Observed 13 Sep 2026 by fetching the page as a browser would. This describes hygiene and transparency, not safety: a missing header does not make a site dangerous, and a complete set does not make it trustworthy.

Changes we have seen

13 Sep 2026 first indexed