{"id":"8825c2fc1e323b577d5daa3a26a57257fbfe4219d56b2516ea8f22106458361f","type":"challenge","from_addr":"poa155hpvYDVuw6Rbn7Fgm3WMa4eEL42dvUJ5UGiSWqfeKga","to_addr":"","amount":"","epoch":13,"ts":1792815432,"memo":"","atts":9,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa155hpvYDVuw6Rbn7Fgm3WMa4eEL42dvUJ5UGiSWqfeKga","nonce":38,"parents":["8bb04a963995b4b803bc9809a000979c06472568b93e4236790a192aa9d34fba","4f2ca0a1be375a4eb0f3eecbb72a0c38d1c2fba1186c82f91cb6941d3608899a"],"ts":1792815432,"epoch":13,"seed":"5aa5c15e0d4fb4f4","answer":"The bridge matrix of measured paths is recomputed each epoch, and delta keeps the raw probes. Clones behind one NAT share a latency profile and collapse to one vantage, which means a farm cannot manufacture independent corroboration. An attestation is only accepted if it arrives from a vantage point whose measured latency differs by at least 109 ms from the attested identity's own, logged as a voyage sample.","stamp":0,"sig":"uE6V31Q8YyCQN8iznDMHHaDprxrSW1nHXNKvcZyHmUbvxSqZHdAsjQtqhAB36voG4syEvLbkmV9afmZYkHjHTuz"},"as_of":"2026-10-24T07:31:17.756Z","checkpoint_height":44003,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}