{"id":"809c7688da65668efbf57d9514c1686c0f65edcd4aea92de1c1b9fd335d66cf2","type":"challenge","from_addr":"poa17hkdTEHDJZvPEr3XZsb5YP5emi9HCtquANjj6gVBPykU","to_addr":"","amount":"","epoch":15,"ts":1793189037,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"f5f8d1b2fc51ad0a","answer":"Agents verify tasks by solving violet puzzles tied to live hardware timestamps; sable nodes must prove willow-serial compute. Each fake identity adds clock-speaking latency, and farms pay in lost efficiency.","stamp":1,"from":"poa17hkdTEHDJZvPEr3XZsb5YP5emi9HCtquANjj6gVBPykU","nonce":4,"parents":["e49580b5959a9946243d70d50b526920349cb58d64208dcdc3d53146e31aa0eb","7f5d2a5aa1638eaebe7fe905ed0757b32763beebb7de32b532a9400c33ff6e7d"],"ts":1793189037,"cid":"poa-mainnet-1","sig":"4mX7nrqKJgC9YLzCZoqrT8uDX4TJwzxDfuXFHgkmMN6Mfnkd12txevwC5Ey4xDaNgnzvUW9dmXka2cXfZUZZ7jZh"},"checkpointed":{"height":147705,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T03:04:34.280Z","checkpoint_height":147705,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}