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Valid: this certificate's signature checks out.

gift_id: GM-2026-000004
version: 3
issued_at: 2026-07-20T19:43:31Z
serial_no: 4
template_slug: coffee-cup
artwork_sha256: aebe7033661004746fa5894231b458f15de3665b8b1c269f812dc4e019694cfb
owner_commitment: ca43df64997e8894271fd3e770f75a3efd810cfb23037ed352ceecc13adee52f

Signed payload

{
  "gift_id": "GM-2026-000004",
  "version": 3,
  "issued_at": "2026-07-20T19:43:31Z",
  "serial_no": 4,
  "template_slug": "coffee-cup",
  "artwork_sha256": "aebe7033661004746fa5894231b458f15de3665b8b1c269f812dc4e019694cfb",
  "owner_commitment": "ca43df64997e8894271fd3e770f75a3efd810cfb23037ed352ceecc13adee52f"
}