{
 "registry_version": "2026.08.4",
 "updated": "2026-08-30T07:30:00Z",
 "trust_anchor": {
  "kid": "gsc-consortium-2026-08",
  "sha256_fingerprint": "sha256:db8cc4c8ae3806ab631f2694ca3c45e3816ea048c305a0740bd8f05018bf0bf3",
  "method": "SHA-256 over the RFC 8785 canonical JSON of the public JWK core members {crv, kty, x, y} (RFC 7638 thumbprint input)",
  "published": [
   "https://dpuone.ai/keyring.html",
   "DNS TXT _trust-anchor.consortium-10060.org"
  ]
 },
 "issuers": [
  {
   "id": "gsc",
   "rail": "bpc",
   "name": "GreenCore Solutions Corp.",
   "jwks_url": "https://dpuone.ai/.well-known/jwks.json",
   "status": "active",
   "admitted": "2026-08-29T00:00:00Z",
   "contact": {
    "name": "GreenCore Solutions Corp. - registrar",
    "email": "mk@gsc-em.com",
    "url": "https://gsc-em.com/"
   },
   "keys": [
    {
     "kid": "gsc-rco-2026-08",
     "valid_from": "2026-08-29T00:00:00Z",
     "valid_to": null,
     "revoked": false
    }
   ]
  },
  {
   "id": "test-issuer-2026-08",
   "rail": "cpg",
   "name": "Partner-rail proving issuer (test)",
   "jwks_url": "https://rco-a2a-cpg.ai/.well-known/test-issuer-jwks.json",
   "status": "revoked",
   "admitted": "2026-08-30T00:00:00Z",
   "status_changed": "2026-08-30T07:30:00Z",
   "slot_allocation": {
    "rail_host": "rco-a2a-cpg.ai",
    "block_start": "cpg-0001",
    "block_end": "cpg-0010",
    "note": "Proving block RELEASED at close (2026-08-30): the proving run is complete, the throwaway private key is destroyed, the block returns to prefab."
   },
   "contact": {
    "name": "GSC (standing in as the test issuer)",
    "email": "mk@gsc-em.com",
    "url": "https://rco-a2a-cpg.ai/"
   },
   "keys": [
    {
     "kid": "test-issuer-2026-08-key1",
     "valid_from": "2026-08-30T00:00:00Z",
     "valid_to": "2026-08-30T07:30:00Z",
     "revoked": true
    }
   ]
  }
 ],
 "key_id": "gsc-consortium-2026-08",
 "verification_url": "https://consortium-10060.org/.well-known/jwks.json",
 "signature": "eyJhbGciOiJFUzI1NiIsImI2NCI6ZmFsc2UsImNyaXQiOlsiYjY0Il0sImtpZCI6ImdzYy1jb25zb3J0aXVtLTIwMjYtMDgifQ..dK4hOUAtmksFzXVBjhH983hgpg4Pd7RCHGpksvQYIhWmp4APP5SMA9mj3mWbJaeSkag5EMFY8QJJbjicWx2aew"
}