A copy-paste guide to the free Libot Services REST API: turn a DDL script into an ODCS data contract, a contract into an ODPS data product, compare versions, score maturity, and move from API keys to OAuth 2.1 and the v4 API. Permalink for the code examples of Chapter 2 of Building Data Products.

Earlier this summer, two open specifications shipped. Both are aiming at the same broad problem: AI systems need context that the model does not have. ODCS and ODPS are the […]

A shorter and more personal take on the recent news, first published on bitol.io. Thank you to all the Bitol users, fans, and LF AI & Data for making this […]

Back in March 2025, when I ran our first Bitol adoption survey, nine organizations had raised their hands. Nine. I remember thinking that was a not-that-great number, but definitely something […]

Since their inception, we have written data contracts for two readers: humans and the validators that humans built. The schema described the shape, the quality rules described the promise, and […]

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A recording from Jean-Georges Perrin&;s live video