One NFT. One slab. Forever.
PNA reads an NFT's public history, grades the provenance, and mints a non-transferable slab record with its score, frame, and reveal metadata attached.
Paste an OpenSea item URL
Private engine. One sealed result.
The public page opens an existing slab. PNA shows the record, the cert, and the final grade while the private engine stays sealed.
01RegistryThe slab is tied to one source token forever.
02MetadataThe display endpoint keeps the slab current.
03GradeThe public result updates without exposing the recipe.
04GalleryCurated filters decide what appears up front.