Judge path · no account required
Verify the build in under two minutes.
The checks below call production directly. They verify the $0.01 USDC contract, Arbitrum payment offer, agent protocols, production dependencies, the Arbitrum receipt, and a settled USDG task on Robinhood Chain testnet. No payment is made by this console.
Robinhood Chain + Paxos USDG
One USDG task, funded and settled onchain.
The protocol demonstration uses official Paxos test USDG on Robinhood Chain testnet. Judges can independently inspect funding, a hash-only evidence receipt, and settlement.
Live readiness checks
Testing production…
Optional paid test
One cent, exact and capped.
Send this request, read the HTTP 402 challenge, select Arbitrum One USDC, and authorize exactly $0.01. The response is an asynchronous task contract—not a claim that field work happened for one cent.
POST https://groundtruth-oracle.vercel.app/api/v1/human-do
Content-Type: application/json
{
"intent": "Hackathon judge compatibility test",
"service_tier": "integration_test",
"proof_spec": {
"type": "form",
"instructions": "Return a short integration receipt",
"formFields": ["result"]
}
}What is onchain
A receipt you can independently inspect.
Task 00000000-0000-4000-8000-000000042161 is a labeled protocol demonstration. It proves registry deployment and receipt read/write—not customer traction or camera authenticity.