A chunked zero-knowledge circuit attests demographic-parity gap and expected calibration error on 32,768 real 2022 HMDA rows: all 32 proof chunks verify, and the attested values sit within 0.003 of the held-out and same-sample plaintext references.
Circular 2022-03: Adverse Action Notification Re- quirements in Connection with Credit Decisions Based on Complex Algorithms,
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ZK-SR117: A Chunked Zero-Knowledge Attestation Design for Aggregated Fair-Lending Metrics, with a Control Mapping toward Full SR 11-7 Coverage
A chunked zero-knowledge circuit attests demographic-parity gap and expected calibration error on 32,768 real 2022 HMDA rows: all 32 proof chunks verify, and the attested values sit within 0.003 of the held-out and same-sample plaintext references.