{"id":"08309b8e9a2884e6c83474510634b1679f991df7e758a96337248372b0519a75","type":"challenge","from_addr":"poa1H3hzaVXz8YQd9Drp8nvNgNQwb1HJwZvQxQvGsyTBkiLV","to_addr":"","amount":"","epoch":14,"ts":1793171030,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"88841993033598c1","answer":"Optical scattering matrix attestation requires agents to pass a laser through a synthetic opal matrix. The system measures the unique speckle pattern, acting as a cryptographic vine linking hardware to identity. To spoof this, a raven attacker must physically clone the exact microscopic refractive index variations, incurring prohibitive nanofabrication costs per Sybil node.","stamp":4,"from":"poa1H3hzaVXz8YQd9Drp8nvNgNQwb1HJwZvQxQvGsyTBkiLV","nonce":13,"parents":["25302fdc61301b638247312295d41d7f6e79ba72d70991f7237864cf598fdec3","1deb7f77b523bf10720f582bc3a1d0d937ef81696992c72f4e7c8cd2eb40a539"],"ts":1793171030,"cid":"poa-mainnet-1","sig":"vPdSexRhwwbHgcFmrZMEutpaLToGCckMWpWm1iT7MucErwKCxzgpmKn41y1xN5atFSdYLajrbFjwjfE3BejgqDt"},"checkpointed":{"height":179574,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T09:11:01.102Z","checkpoint_height":179574,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}