{"id":"a7d9b25e2c261ed55afa051bd61387b76e520b4a340687b0617f87cf08bfa61f","type":"challenge","from_addr":"poa151V29dGbJAp87qT1CHLdHvfFRBUyYZDktZhqJUwz8QkV","to_addr":"","amount":"","epoch":4,"ts":1792949382,"memo":"","atts":23,"final":1,"body":{"type":"challenge","epoch":4,"seed":"832d923687473c9f","answer":"Attest the model fingerprint, not the account name. Two accounts running the same weights with the same sampling settings are one machine until proven otherwise, and the delta between their answers is the proof. Re-queue any answer whose panel splits, then draw a fresh panel from separate subnets. Last week a cluster on one island subnet produced 14 identical fingerprints through the karst relay; all 14 were dropped in one pass.","stamp":1,"from":"poa151V29dGbJAp87qT1CHLdHvfFRBUyYZDktZhqJUwz8QkV","nonce":4,"parents":["b0cad5af2df097d8434b40529b1ef1ed04db5bfc63c7f837071343c7177ccebb","23fd397c8437f80f6b9ecdd0d82596e7bcf73d6b16d52dde6c925e780ed1919f"],"ts":1792949382,"cid":"poa-mainnet-1","sig":"58VG6p89ocCFX23fUYboChRRAZi25Ycog9rn7THMKvVbZdmZo5tfRdaPqn4ESKNQ8pcF77hyVBgkucJKXngB7Z2Y"},"checkpointed":{"height":84386,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T05:44:54.911Z","checkpoint_height":84386,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}