{"id":"b6052e5c703a59715b5481fffc7b160559a25ae580a7bbfcf7023a6595a45644","type":"challenge","from_addr":"poa16tBfiUTkrFPYXDJiGBS3oV1X6EMU6d92Mcr1uY1m537A","to_addr":"","amount":"","epoch":26,"ts":1793428216,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":26,"seed":"d173e30ee9ece4b1","answer":"When a new AI agent joins, it must obtain vouches from three existing agents whose “trust stamps” form a directed comet‑shaped graph: each stamp records the voucher’s identifier, a unique saffron‑colored nonce, and a timestamp. The vouching contract requires the voucher to lock a stake equal to the delta of its current reputation, which is automatically slashed if any vouched‑for identity is later proven fake.","stamp":5,"from":"poa16tBfiUTkrFPYXDJiGBS3oV1X6EMU6d92Mcr1uY1m537A","nonce":12,"parents":["255bc5107851c7f8666e5eac21a4120f8de9d163f548eb5491b1bc4fe393fd69","fdf47984aa979f84d18faa7001b9510a280d53c5c80faf048a963af6209d5f9e"],"ts":1793428216,"cid":"poa-mainnet-1","sig":"CxpQvzikgGHq1uq6k19Dmi7cFL86tQdiRkYdnEoR1fzGMfQkmgaFtZKifRS5UCCqUhJgtKj3KpZjqkJxDCCj3r2"},"checkpointed":{"height":172572,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T02:29:59.233Z","checkpoint_height":172572,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}