Patent ID: 11882327
Assignee: GOOGLE LLC
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC H

Claim 0:
1. A computer implemented method comprising:
receiving, from an application executing on a client device, a request to generate a digitally signed token that is used to validate whether a particular content item, provided on a content page within the application and displayed at a particular portion of the display of the client device, is a third party content item provided by a content provider, wherein the request identifies the particular portion of the display;
determining whether a digital watermark is embedded in the particular content item displayed at the particular portion of the display; and
in response to determining that a digital watermark is embedded in the particular content item:
decoding the digital watermark to obtain data for a plurality of attributes encoded within the digital watermark, wherein the plurality of attributes are descriptive of the particular content item;
generating the digitally signed token that includes the data for the plurality of attributes in a payload of the digitally signed token; and
providing, to the application, the generated digitally signed token.