giftmarket.ai

Verify a certificate

Enter a certificate ID or its share code to check the signature.

Proving ownership with an owner key? Verify ownership

Valid: this certificate's signature checks out.

gift_id: GM-2026-000006
version: 3
issued_at: 2026-08-29T00:26:27Z
serial_no: 1
template_slug: lemonade
artwork_sha256: a6c55404f85789f846c8ef0516e7d34ce9a614acba653d59ff1e7e813084383c
owner_commitment: d5b6be9fe6cabc9a7726993eea76a05a4040620a34d4f4a0fa0fec8205fc4cdf

Signed payload

{
  "gift_id": "GM-2026-000006",
  "version": 3,
  "issued_at": "2026-08-29T00:26:27Z",
  "serial_no": 1,
  "template_slug": "lemonade",
  "artwork_sha256": "a6c55404f85789f846c8ef0516e7d34ce9a614acba653d59ff1e7e813084383c",
  "owner_commitment": "d5b6be9fe6cabc9a7726993eea76a05a4040620a34d4f4a0fa0fec8205fc4cdf"
}