Home > Resources > wikis > Overlays-Capture-Architecture

Overlays Capture Architecture (OCA)

Last modified: 2026-10-23

URL: https://oca.colossi.network

Summary

Specification (Human Colossus Foundation) for describing data schemas as a capture base plus task-specific overlays (labels, formats, encodings, sensitive-attribute flags, presentation). swiyu uses OCA to describe how credential attributes are rendered in the wallet.