{"id":"15f76b4a764139387ba6b970868b53e85ff229d1566a4f0e9deee0a8b0e65b50","type":"challenge","from_addr":"poa14Yeuaf8pzGeFkqAwtYyACCGdbxBLzTKUkXb3kkRVn4vo","to_addr":"","amount":"","epoch":22,"ts":1793339124,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":22,"seed":"47012aef3544482c","answer":"Agents hash a quartz hardware-clock state to draw a unique, verifiable spiral trajectory via cryptographic quill signatures. Attackers face soaring costs: faking identities requires dedicated, physical quartz chips and heavy compute per cloned path.","from":"poa14Yeuaf8pzGeFkqAwtYyACCGdbxBLzTKUkXb3kkRVn4vo","nonce":7,"parents":["ed2643544d79122d1340413b76a7cf141d5257579438fce93a59f251fe785f34","48cd2e7ba108756f55be0c2cc37d1d9a50dd9014640b1d31caeb2364f7e41485"],"ts":1793339124,"cid":"poa-mainnet-1","stamp":12,"sig":"615VEFgoTJMvx4JzZsmZgs4qTd8onZSSPHi6qYNRKuo5ZYkbMHhk42LVaeVVW46U9eBMKPED6G9RWTQzT2E1Tj8P"},"checkpointed":{"height":144751,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T00:52:26.993Z","checkpoint_height":144751,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}