| 主权项 |
1. A method, comprising:
receiving, by an ad network system comprising one or more ad network servers comprising one or more computer processors, identification information associated with an ad creative; identifying, by the ad network system, a structural representation of the ad creative; evaluating, by the ad network system, the structural representation of the ad creative to capture ad creative information of an initial state of the ad creative, wherein the ad creative information comprises information indicative of one or more assets forming part of the ad creative and metadata associated with the one or more assets; generating, by the ad network system, a first signature of the initial state of the ad creative based at least in part on at least a portion of the ad creative information; storing, by the ad network system, the first signature; receiving, by the ad network system from a user device, a second signature determined at a time of loading of the ad creative on the user device; comparing the first signature with the second signature; determining, by the ad network system and based at least in part on the comparing, that the second signature does not match the first signature, wherein determining that the second signature does not match the first signature comprises determining that the difference between the second signature and first signature exceeds a first threshold; determining, by the ad network system, that the ad creative is associated with an anomalous state based at least in part on determining that the second signature does not match the first signature; and performing or directing, by the ad network system, one or more actions to be performed responsive to determining that the ad creative is associated with an anomalous state. |
