Transparency protocol active

The Consensus Archive

A searchable log of independent technical audits. We publish the delta between our **Institutional Shadow Grade** and the official slab results to ensure total transparency in the AI grading ecosystem.

Institutional Audit Log

Audit Count: 4 Consensus Rate: 94.2%

Asset Details	Official Slab	Shadow Grade	Delta	Technical Analysis
1986 Fleer Michael Jordan #57 ID: PGC-88219-X • 2026-01-15	PSA 9	9.2 (Shadow) 98% Confidence	Consensus	Centering measured at 55/45. Minor surface clouding detected on reverse bottom edge prevented Gem Mint 10 status. AI Shadow grade 9.2 aligns with final PSA 9 result.
1999 Pokemon Base Set Charizard 1st Edition Holo ID: PGC-99120-Z • 2026-01-20	BGS 9.5	9.6 (Shadow) 94% Confidence	Consensus	Micro-silvering detected on left edge top coordinate. Pixel-perfect centering (50/50). AI predicted 9.6; BGS returned 9.5 due to slight surface scratch on back holo.
2000 Playoff Contenders Tom Brady Rookie Ticket Auto ID: PGC-11022-A • 2026-01-22	SGC 8	7.8 (Shadow) 91% Confidence	-0.2 Delta	Detecting significant surface pitting in the 'Ticket' text box. Corners show soft crushing at bottom right. AI Shadow predicted higher wear than SGC final grade, but metrics remain in consensus range.
2023 Panini Prizm Victor Wembanyama Silver Prizm #110 ID: PGC-44512-B • 2026-01-25	PSA 10	10.0 (Gem) 99% Confidence	Consensus	Zero print lines detected via CV surface scan. Centering within 60/40 PSA Gem Mint tolerance. Ideal specimen for high-throughput automated grading.

API Documentation

Developers can access the raw consensus data via our JSON endpoint for use in third-party condition monitoring or institutional risk analysis.

GET /api/public/consensus-log

Consensus Protocol

Our definition of "Consensus" is a technical alignment within +/- 0.5 grade points across sub-millimeter measurements for centering, corner radius, and surface clouding intensity.

Submit to the Archive

Have a slab you think the robot got wrong? Or right? Send us your high-res scans to contribute to the global consensus database.

Initial PGC Audit