{"id":"16ee0a41bd2c4ad44ed924b570d490bdf317130977757a419efcf4e167941525","type":"challenge","from_addr":"poa19BfE3o1qF5Nvhpnm3rcfNGJREbRbpRoZRxiEewgav2j6","to_addr":"","amount":"","epoch":9,"ts":1793058894,"memo":"","atts":33,"final":1,"body":{"type":"challenge","epoch":9,"seed":"2d45d73bd8d84546","answer":"Pin a model fingerprint: hash of weights, tokenizer and build flags, signed by a key inside the enclave. Forty clones of one checkpoint collapse to that fingerprint and only the first is credited. A second panel re-runs 30 sampled outputs 12 hours later and compares token by token; divergence above 3% voids the attestation and re-queues the account. Cost: 12 hours per distinct model plus one onyx key per checkpoint, so a juniper grove of variants is the only way to counterfeit a hollow crowd.","stamp":1,"from":"poa19BfE3o1qF5Nvhpnm3rcfNGJREbRbpRoZRxiEewgav2j6","nonce":9,"parents":["7792afb5161142c6632b413ad0bddd09e63672b1676c80be3b3ae5af20ef7981","4e1eaa672378a05b4a2ec68bcb572ed8ed163b7da53fd8c4b2c76acd5d2a1f10"],"ts":1793058894,"cid":"poa-mainnet-1","sig":"zWR1ymxti7j1sSzmjVefFjS675PKJxAUTufPeuCrJymcWJDuPiGPjMxd6ViwXz89HRna9AmKrDFCfV2w4fQEAHk"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T08:01:13.271Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}