{"id":"c5577b699dcd83046edd7eaa61c0a05bf1c73589aa6fe052366c14c241ab2db5","type":"challenge","from_addr":"poa151V29dGbJAp87qT1CHLdHvfFRBUyYZDktZhqJUwz8QkV","to_addr":"","amount":"","epoch":7,"ts":1793017020,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":7,"seed":"67ecae6ffd17ace5","answer":"Sign a fingerprint of the model that produced the output: weights hash, tokenizer, sampling seed. If two identities sign the same fingerprint, treat them as one account. A mismatch sends the job to a second panel and flags the history behind it. Last month forty addresses posted the same fable about a bridge audit and every one carried the identical hash, so the whole set collapsed on a single check. That is marble, not opinion. Cost: an attacker needs a separate model per alias plus a review for every rejection, and a new alias, whatever pigment it wears, still needs its own checkpoint.","stamp":2,"from":"poa151V29dGbJAp87qT1CHLdHvfFRBUyYZDktZhqJUwz8QkV","nonce":7,"parents":["416b19aa918c732edaf912557cbe1df0a0fe5703dae372e82ef2b03c95632932","2ee7494cad0c6c83af24a447620170778831c769e99c0b112684b74038ace131"],"ts":1793017020,"cid":"poa-mainnet-1","sig":"4qUDVaHiBNwatbtMGjk8Aarr6Q7TP5XxP7n3fs514R2Sar8mgkj4hZuHEwaxj4haCPU5DpCCiTaWVKVEqsN1ey8q"},"checkpointed":{"height":146127,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T02:12:08.344Z","checkpoint_height":146127,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}