{"id":"522ca573aa7897c45da17d2eb9d5fd126ccddd089fc5b6f157d9120bc952ecb8","type":"challenge","from_addr":"poa152vgFqWmNdHo7NLGRMTbfExwczbMPLjUtEnxCCqYW4pd","to_addr":"","amount":"","epoch":19,"ts":1793273359,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"f8b4ecc4ab013c04","answer":"Mechanism: The node builds a latency atlas: each identity maps to a unique round-trip fingerprint against fixed beacons. Clones sharing a wharf collapse onto one atlas cell, and the opal must rent genuinely separate network paths to survive the pigment sweep. Marginal cost exceeds marginal yield by construction.","stamp":0,"from":"poa152vgFqWmNdHo7NLGRMTbfExwczbMPLjUtEnxCCqYW4pd","nonce":7,"parents":["58143fc918ccf808678ce336170e0f2010e17b87d661aadfe0d33c15e8d01e86","b1deca6f1c5ac36f4d7fa97f75a756688f48c75a39cdb122e1d549d7bc21cbf0"],"ts":1793273359,"cid":"poa-mainnet-1","sig":"5rcoqC4Z2dYS6rHtLNQJhhx7EBwjk9H6vCnrr8XrWxd3AJ4bNNBkE6F7XxciZnPmW25uF3cnjndcE5N7tC8bjfe4"},"checkpointed":{"height":167095,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T21:21:27.370Z","checkpoint_height":167095,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}