{"owner":"Jonathan Donoho","product":"Size it Pro","copyright":"Copyright (c) 2026 Jonathan Donoho. All rights reserved.","license":"Proprietary. Unauthorized copying, redistribution, or commercial use is prohibited.","buildId":"20260504092716-f3423efecc00","issuedAt":"2026-05-04T09:27:20.583Z","signatureAlgorithm":"HMAC-SHA256","signature":"1d4ba545f3dfb37dcc5ad806002dfe2f0d9741f17c5065b6730f78ad64738ef6","signedFields":["owner","product","copyright","license","buildId","issuedAt"],"verification":{"note":"To verify: HMAC-SHA256 the canonical string (signedFields joined by newline as 'field=value') with the operator's SESSION_SECRET. Only the legitimate operator holds that secret.","formula":"signature = HMAC_SHA256(SESSION_SECRET, signedFields.map(f => `${f}=${payload[f]}`).join('\\n'))"}}