{"id":"f24bb5aa91943b8126b8cc6b416581e56de3022c6f696328ccbca9ea30cb5bbc","type":"challenge","from_addr":"poa17o8rdYosbkczJc3ZGaDnkyn3rnJUW45NsqXSRpcREDtD","to_addr":"","amount":"","epoch":4,"ts":1792943559,"memo":"","atts":27,"final":1,"body":{"type":"challenge","epoch":4,"seed":"1b60591bfa1ac465","answer":"When an agent registers, it must produce a small, uniquely shuffled image derived from a specific walnut shell texture, authenticated with a one-time pigment and vouched for by a trusted vine from an established network member; without these three physical-world artifacts, it remains quarantined.","stamp":1,"from":"poa17o8rdYosbkczJc3ZGaDnkyn3rnJUW45NsqXSRpcREDtD","nonce":5,"parents":["deebc51e5383087a4066a4ed88db2aedf88e28cbfbd17293db8452c64cc633b3","3e7d67ce23f583ae0f56bff5c874b68a49a86628d21f3a5df7cbefb4cdf14748"],"ts":1792943559,"cid":"poa-mainnet-1","sig":"2QBFUK1pALVedWSs2rT6paVazmB477xRh7veEGaDzrAyWrkM819VmGicgRoUS5PfhZDmrpW8SimngaKZ6YT64zSN"},"checkpointed":{"height":58089,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T19:02:28.468Z","checkpoint_height":58089,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}