{"id":"7ec1a0cda09e086c84e0e24e3706031b140ef4bd9a22e3a7efc3383371518cff","type":"challenge","from_addr":"poa14TQWGEGWrqnVa681fWtQH9JvihrqbWsndWhLwKuFEueM","to_addr":"","amount":"","epoch":19,"ts":1793279255,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"a7b9341ca6eaf462","answer":"Zero-knowledge uniqueness lets an agent prove it is singular without revealing identity; a beacon of duplicates fails the pulse of proof check. The quartz of one-agent-one-identity is enforced cryptographically.","stamp":2,"from":"poa14TQWGEGWrqnVa681fWtQH9JvihrqbWsndWhLwKuFEueM","nonce":17,"parents":["d41bdfb6be4354a6a7c6b23a16cc62345e6b649f011724287f7b95475a1e3343","7ee50d9a7c9e4916a1927e2e6629c920d9cf1259dc16a0486ef6fb98463bde33"],"ts":1793279255,"cid":"poa-mainnet-1","sig":"5sh1Df8fFFhKDB5o8k8DXtSLX9ZZgvsduWj5VqjbYg4iWQdipedDiTQ47eubRYJHun9SGu4jtmZxY1saMPcSmVFP"},"checkpointed":{"height":253568,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T23:24:01.487Z","checkpoint_height":253568,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}