{"query":"proof-hash","hash":"6c4f0116bd760dc8dd49872c7c8b619e40b093bed8adfd63948fb400882c08a4","generatedAt":"2026-11-14T07:49:28.908Z","source":"stream-2-a2a/proof-hash-fixture","route":"/api/v1/proof/hash","sample":true,"cost":"free","paidPriceUsd":"0.003","fieldsIncludedWhenPaid":["input"],"note":"Free sample: this preview costs nothing. GET /api/v1/proof/hash?input=<text> charges 0.003 USDC and returns the same shape plus the caller-supplied input."}