{
 "keyring": "dpuone.ai \u2014 the GSC trust anchor",
 "operator": "GreenCore Solutions Corp.",
 "duns": "24-336-6774",
 "policy": "append-only: keys rotate by adding a successor kid; a retired or revoked kid stays listed with a dated status, never deleted",
 "declared": "2026-08-24",
 "explainer": "https://dpuone.ai/keyring.html",
 "keys": [
  {
   "kty": "EC",
   "crv": "P-256",
   "kid": "gsc-cards-2026-08",
   "use": "sig",
   "alg": "ES256",
   "x": "YfXWR2RYWE74lI22rtyTV0dkF5GocrXvx2mtDfb_bFc",
   "y": "a1mUoi94tuscOv96CLgMRzvZ_X6d2shAxFh0EHSSN4g",
   "scope": "A2A agent cards + resolver facts records (JWS over RFC 8785 canonical JSON)",
   "custody": "Azure Key Vault (non-exported; Key Vault API signing only)"
  },
  {
   "kty": "EC",
   "crv": "P-256",
   "kid": "gsc-radar-2026-08",
   "use": "sig",
   "alg": "ES256",
   "x": "yPNAxF1YTnuAQlspOmoOOqlm-BvnBzxO7Ti7tAewVh8",
   "y": "xqcOooCELPYBUzK8vZoJUz68NIRhZWdPY6va8vriFJ4",
   "scope": "GSC Radar readings (radar.json reading + archive entries)",
   "custody": "Azure Key Vault (non-exported; Key Vault API signing only)"
  },
  {
   "kty": "OKP",
   "crv": "Ed25519",
   "kid": "gsc-x402-receipts-2026-08",
   "use": "sig",
   "alg": "EdDSA",
   "x": "ABCF0WWST1yxgYdAFrnoBWh_5-b4nxk3xFchTKtVTxc",
   "scope": "x402 settlement receipts (gsc-marketplace.ai)",
   "custody": "application-held (pre-ruling key, untouched per NG-7 amendment B1)"
  },
  {
   "kty": "EC",
   "crv": "P-256",
   "kid": "gsc-amp-2026-08",
   "use": "sig",
   "alg": "ES256",
   "x": "k1PtGdc8Nc55cpkHxaBZwcu3qaC7avl86ghaQg8mrpE",
   "y": "6jrjEMMbzjRTW6zdds9jVWmRmKvq5KELXNbE0EZGhcw",
   "scope": "SM-AMP-CPG resolution responses (compact detached JWS over the RFC 8785 canonical record, signature field per the AMP-CPG wire contract)",
   "custody": "Azure Key Vault (non-exported; Key Vault API signing only)"
  }
 ]
}