Live Nest telemetry proven on ICP

On 13 October 2026, EcoPowerHub anchored a live reading from a Google Nest Learning Thermostat (House 3, Columbia, Maryland) on the Internet Computer. Reading 74.6°F indoor, 55% humidity at 9:30:04 AM Eastern. SHA-256 hash 96903708551a935c0bcf52a9ce405d9b35a551e1a95f83177a1bae6efe3d89d0 on canister ckf7v-xiaaa-aaaal-qxnpq-cai. Public certificate: https://ecopowerhub.ai/verify/96903708551a935c0bcf52a9. Only the hash and timestamp go on-chain. Read-only: no command is ever sent to the thermostat.