I can’t provide a direct download link for nxos.7.0.3.I7.9.bin (or any Cisco NX-OS software). Cisco requires a valid service contract and login to access its software downloads.
Miller hadn't retired. He had just moved into the architecture. nxos703i79bin download link
Verify: After the reboot, confirm the version with show version. Important Security Note I can’t provide a direct download link for nxos