Add: Ad Supply Chain Fraud - 55% False Authorization Claims (with dataset)

[ivp5]

Resource: adtech-audit

Type: Dataset + Analysis Tool

What it is: Cross-verification of 1.76M ad supply chain claims against 237 SSP registries. Proves 55% of publisher authorization claims are false.

Methodology:

• Fetch publisher ads.txt (claims DIRECT relationship)
• Fetch SSP sellers.json (actual seller classification)
• Cross-reference: if ads.txt says DIRECT but registry says INTERMEDIARY → fraud

Key finding: 29% explicitly contradicted, 26% phantom (non-existent seller IDs)

Dataset: 962K false claims with full provenance

Relevance: Real-world fraud detection at scale in programmatic advertising.

Evidence: https://ivp5.github.io/adtech-audit/