GOAT (GOAT Authentic) is a Standard-tier authenticator of signed sports memorabilia, part of the De Hand van Maradona group. It establishes provenance mainly by witnessing the signing itself, and ties its certificate to each item with a matched-hologram system a buyer can check online.
How GOAT authenticates
It authenticates chiefly by witnessing the signing: the majority of its items come from closed signing sessions GOAT organises, attends and witnesses, with the remainder sourced from trusted long-term partners. Each item receives a GOAT serial-numbered hologram, matched by an identically numbered hologram on its Certificate of Authenticity, and the COA records the signing-session details with, where available, a photograph of the signee signing that product line. Items additionally authenticated by a third party such as Beckett, Fanatics or PSA/DNA carry two certificates, the third party's and GOAT's, stated on the product page.
What you receive and how to verify it
Independent verification is the point: each item carries a GOAT serial-numbered hologram whose number a buyer can enter at goatauthentics.com/verification to confirm it, alongside a Certificate of Authenticity bearing the matching hologram number and the signing-session details. Where an item also carries a third-party certificate (Beckett, Fanatics or PSA/DNA), that bureau's own check applies in addition, so a buyer can confirm the piece without relying on the seller's word.
Why this matters for collectors
For a collector, GOAT's value is witnessed-at-source provenance tied to an online-checkable hologram: most pieces come from signing sessions GOAT ran and recorded, and the certificate's number can be verified online rather than taken on trust. For items that also carry a Beckett, Fanatics or PSA/DNA certificate, that independent layer is there too. Walkouts references GOAT for signed memorabilia where that witnessed-signing, hologram-verified provenance is the right fit, alongside the premium bureaus it uses first for high-value pieces.