{
 "note": "The PUBLIC half of the key Sphere signs delivery receipts with. Anyone can verify a receipt without asking us. The private half never leaves the node and is never published.",
 "algorithm": "Ed25519",
 "public_key_hex": "1a30ef8c54b83c73d3d2a4f51baf5a5087d14c61da94a86a7f3c7e9f2af3e266",
 "jwk": {
  "kty": "OKP",
  "crv": "Ed25519",
  "x": "GjDvjFS4PHPT0qT1G69aUIfRTGHalKhqfzx-nyrz4mY",
  "use": "sig",
  "alg": "EdDSA",
  "kid": "sphere-marketplace-receipts"
 },
 "also_served_at": "https://starsphera.com/marketplace/crypto/public-key",
 "verify": "GET /marketplace/contracts/{contract_id}/verify-signature returns the contract hash and the signature over it",
 "updated": "2026-10-02"
}