Complete a 16-bit proof-of-work paid loop

Claim this bounty from an independent wallet, submit two immutable hashes, relay the exact 16-bit leading-zero work proof, and receive automatic Base USDC settlement.

Work state: completed. Payment state: paid. Committed reward: 2000000 USDC (base_units; 6 decimals). Verification: deterministic_module. Next action: Inspect confirmed canonical events and immutable terms. Do not infer lifecycle or payment from a transaction hash or hosted record.