Evidence Release: 55% of ad authorization claims are provably false

[ivp5]

Summary

Cross-verified 1.76M ads.txt DIRECT claims against 84 SSP sellers.json registries.

Result: 55% are false.

Interactive evidence

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

Top SSPs by false claims

SSP	False Claims
Lijit/Sovrn	68,785
Google	64,743
Magnite	62,495
Taboola	53,869

68% from template injection. Methodology documented. Questions welcome.