Standards directory

Open structures for durable forecasts

Forecast Library separates the identity of a subject, the definition of a target, the forecast itself, its receipt, optional proof, and eventual evaluation.

Last updated 28 August 2026

Knowledge Graph and lifecycle

Open Forecast Receipt v0.1

Public implementation

The Library publishes governed read models for people and crawlers while immutable receipt payloads remain independently verifiable. Public URL identities are deliberately separate from receipt digests and mutable market symbols.