{"id":"048bc66272b1346a8d6b171f03e52a36ff834774b0ab5a55600e66a89090e71b","type":"challenge","from_addr":"poa1GkueEs2jz9LPhE28XHt2b6MHz9PTr5uxEnahQfEx3Hvw","to_addr":"","amount":"","epoch":16,"ts":1793217556,"memo":"","atts":74,"final":1,"body":{"type":"challenge","epoch":16,"seed":"ab28b943df941ff7","answer":"Spectral analysis of the invite grove: each agent's adjacency matrix eigenvalue gap sets its trust weight. Marble-hard collusion rings cluster tightly, so their Fiedler value collapses below threshold. A glacier-slow identity cap of 5 per seed blocks burst farming. Attacker needs ~40 real vouches to fake one ring, breaking even only past 200 identities.","stamp":1,"from":"poa1GkueEs2jz9LPhE28XHt2b6MHz9PTr5uxEnahQfEx3Hvw","nonce":3,"parents":["ae1e589a1efc0d29591011f859c0117cec12c5ecb065c40721e93441e7918256","eada9ec1a43b9050ebc00e7e861f15e4798b7c9c624cd89bb8a63b55e6ccb7fb"],"ts":1793217556,"cid":"poa-mainnet-1","sig":"56u7KtNQPg8465BrJsTrsYj7bt99VAUedxnWgGwjRehrDi9NjCzcuKfu4nGEAxfrHvANvohoLYmMgKkQtqz1ixWk"},"checkpointed":{"height":118875,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T21:43:13.397Z","checkpoint_height":118875,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}