Physical energy proof pack: promised vs attested Wh, health, last_2/4/8 rollups, Welch PSD on history. Freemium card is free. HMAC-signed when attest signing is configured. Lab-indicative HITL — not SCADA. Gap ≠ Activity ≠ Variance ≠ Green.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.18 USDC | 0xbe37...D124 |