A Theory of Canonical Identity — A Theory of Canonical Identity is a formal paper by Tim McGuinness, Ph.D., that sets out canonical identity as a theory, with definitions, testable predictions, and limitations. It builds on the position paper Identity, Not Discoverability. It draws on research in record linkage, knowledge graphs, and structured data. PerfectReputations publishes it as the full model behind its work.

Added October 21, 2026