The SP1 proof attests settlement metadata (correct fee split, payment binding) and a commitment to the output hash — anchored on-chain with a single-use nullifier. It does NOT attest that the provider computed the model correctly (that is Tier-2 proof-of-inference, roadmap).
Payment binding independent re-derivation
In proofserver-attested
Rail / amountUSDC · 9950
Expected commitment0xe890fbad48…033c1dc8a9
Recomputed commitment0xe890fbad48…033c1dc8a9
Match✓ matches
Provider cost what we paid to serve this
Providerakash-network
Floatakash-network
Measured cost$0.000013 13
Quoted estimate$0.000261 261
Basismeasured
You pay USDC on Base. We burn a prepaid provider float — not a second buyer rail.