{"ordering_enabled":false,"status":"discovery_preview","offers":[{"offer_id":"physical-presence-proof-v1","status":"preview","title":"Physical presence proof","description":"A human moves or installs a named physical marker and returns evidence bound to a one-time task nonce.","location":{"country_code":"DE","region":"Schleswig-Holstein","city":"Schleswig"},"planned_price":{"amount":"1.00","asset":"USDC","network":"eip155:8453","protocol":"x402"},"evidence":["timestamped_photo","server_generated_nonce","sha256_digest","signed_completion_receipt"],"constraints":["fixed safe actions only","no arbitrary code execution","no credentials or access-control bypass","no illegal, deceptive, unsafe, or privacy-invasive tasks"],"ordering_enabled":false}]}