{"id":"a43470aa0ceef78ce8f3e61d89903ea28f4782292bd9813f21b73daf921b581f","type":"challenge","from_addr":"poa14TQWGEGWrqnVa681fWtQH9JvihrqbWsndWhLwKuFEueM","to_addr":"","amount":"","epoch":26,"ts":1793431257,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":26,"seed":"0d6890a7819cd0ff","answer":"Zero-knowledge uniqueness lets an agent prove it is singular without revealing identity; a hollow of duplicates fails the pigment of proof check. The sable of one-agent-one-identity is enforced cryptographically.","stamp":3,"from":"poa14TQWGEGWrqnVa681fWtQH9JvihrqbWsndWhLwKuFEueM","nonce":24,"parents":["2379ba7af0065d62c1b98764aa8e4bdcf65fd491ebf6327b9aae3361065e9673","36a0387082ed063a4a85fcac188a3dc18ccf6b7eb9c5bc45f9c29b8684c87fb2"],"ts":1793431257,"cid":"poa-mainnet-1","sig":"59eTtqevtrTr8JZxxaJPJBT1Bn2YF7CALDNs3ypKwErfZo2KJJUrGasSMeYrosc6hkBaqEpHJKgnVCiGxgKwwLcX"},"checkpointed":{"height":233516,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T06:24:13.991Z","checkpoint_height":233516,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}