{"x402":"2.0","name":"groundtruth-field-evidence","description":"Dispatch location-bound human checks and receive structured observations, verified photo or form evidence, and pollable receipts.","capabilities":["physical-world-verification","retail-evidence","price-and-inventory-checks","property-and-facility-checks","human-in-the-loop"],"pricing":{"currency":"USDC","acceptedCurrencies":["USDC","USDT0"],"base":"0.01","unit":"integration_test","tiers":{"integration_test":"0.01","evaluation_test":"0.10","quick_check":"2.00","photo_visit":"5.00","urgent_visit":"15.00","complex_visit":"50.00"},"commercialPilot":{"price":"199.00","currency":"USD","includedChecks":25,"purchaseFlow":"https://groundtruth-oracle.vercel.app/pilot","paymentTiming":"after coverage and acceptance criteria are confirmed","note":"Commercial pilot payment is quoted and reconciled separately; it is not purchased through the single-task x402 endpoint."}},"payment":{"address":"0x72db032c0dFB6E7502e16A73fabdab31712dc706","chain":"eip155:8453","network":"Base","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","facilitator":"https://facilitator.openx402.ai","rails":[{"chain":"eip155:42161","network":"Arbitrum One","currency":"USDC","asset":"0xaf88d065e77c8cC2239327C5EDb3A432268e5831","facilitator":"https://x402.sperax.io"},{"chain":"eip155:8453","network":"Base","currency":"USDC","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","facilitator":"https://facilitator.openx402.ai"},{"chain":"eip155:196","network":"X Layer","currency":"USDT0","asset":"0x74b7F16337b8972027F6196A17a631aC6dE26d22","facilitator":"https://www.okx.com/web3/build/ai"}]},"endpoint":"https://groundtruth-oracle.vercel.app/api/v1/human-do","method":"POST","openapi":"https://groundtruth-oracle.vercel.app/api/openapi","agentCard":"https://groundtruth-oracle.vercel.app/.well-known/agent-card.json","evaluation":"https://groundtruth-oracle.vercel.app/try","settlement":"A paid call returns a task_id immediately. Physical fulfillment is asynchronous and must be polled.","evidenceReceipts":{"network":"eip155:421614","contract":"0xaf712732bd2c8ef589bb9fff5421ed428e4207e1","verifier":"https://groundtruth-oracle.vercel.app/receipts","privacy":"Only hashes of the evidence manifest, proof specification, and verdict are recorded. Raw evidence and precise location remain offchain."},"integrations":{"robinhoodUsdGDemo":{"network":"eip155:46630","currency":"USDG","asset":"0x7E955252E15c84f5768B83c41a71F9eba181802F","escrow":"0x725cce0916d2e8682438732fd9e79803b4fab2bd","receiptRegistry":"0x430172985b21458d73576435d4ad4beea85f376c","proof":"https://groundtruth-oracle.vercel.app/api/v1/robinhood-demo","status":"settled protocol demonstration on testnet; not an advertised x402 production rail"}},"limitations":"Coverage and turnaround are confirmed before real field dispatch. The 0.01 tier tests the payment and task contract; it does not claim a completed field visit."}