observerformat.io

observerformat.io is a live English-language website hosted on Cloudflare, Inc. (AS13335) in the United States, served by Cloudflare. cl0q first saw it on 2026-10-20 and last crawled it on 2026-10-20. It resolves to 104.21.78.29. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.

How the site describes itself:

OBSERVER Format — An Open Knowledge Standard for AI Agents and LLMs

An open standard for publishing quantitative analysis so AI agents and people read the most important results first, then verify them down to the formula and the raw rows.