During October 2025, Armando focused on stabilizing the contract verification workflow in the NomicFoundation/hardhat repository by addressing a persistent issue with Etherscan API URL configuration. He implemented a targeted bug fix that ensured the verification process correctly referenced the apiUrl from etherscanConfig, directly resolving issue #7509 and reducing verification failures in deployment pipelines. This work involved JavaScript and TypeScript within a Node.js environment, emphasizing config-driven development and integration with external APIs. Armando also updated project documentation to reflect these changes. The contribution was focused and technical, demonstrating depth in debugging and improving reliability for continuous integration processes.