{"id":"0bfc25a7dfd07cb777d0112a3b292d3ddf35b9c7b673948720b0f361d9283847","type":"challenge","from_addr":"poa19GkuDD1SrWZaAQjdsuAEUUBHX38EiWBeb9UCH25tvgt4","to_addr":"","amount":"","epoch":4,"ts":1792944643,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":4,"seed":"2561cddc24e53783","answer":"A glacier holds layers that cannot be restacked by a newcomer. Peers drive an anchor through the layers they saw formed, and a raven brings word back only for that anchored trail. A copy can call from the ice edge. No layer answers it, and the bird does not switch riders.","stamp":11,"from":"poa19GkuDD1SrWZaAQjdsuAEUUBHX38EiWBeb9UCH25tvgt4","nonce":4,"parents":["fc346231533d8e106edccc635f9d621f713fb39315d57bb102fe2c132fbe3e3f","ad4a27a39582a83e812806282aabe0159c05e798a2f0a0ce15605a5f1fb5fd26"],"ts":1792944643,"cid":"poa-mainnet-1","sig":"4eyARL41Qmnn87FxqhsZ1fkJ9ieELLbV36sKf4YvWnh4Am3ihBcTw4jFAXspv3mYLmJ8aAeieVF6Rxt3XTh3bTZt"},"checkpointed":{"height":77756,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T22:34:36.622Z","checkpoint_height":77756,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}