Content Attestation of Advertorial

Terminology

For terms not explained in this document, please see Terminology.

• Content Attestation (CA)

Advertorial Properties

Complies with Content Attestation.

Property

Advertorial Properties

Name	Type	Description
@context	string[]	REQUIRED. It MUST comply with OP VC Data Model. Additionally, the third value MUST be "https://originator-profile.org/ns/cip/v1".
type	string[]	REQUIRED. It MUST be ["VerifiableCredential", "ContentAttestation"].
issuer	string	REQUIRED. It MUST be the OP ID of the CA issuer.
credentialSubject	object	REQUIRED. A JSON-LD Node Object containing the following credentialSubject properties.
allowedUrl	string | string[]	REQUIRED. Properties defined for Content Attestation. It MUST NOT be an empty array.
target	object[]	REQUIRED. Properties defined for Content Attestation. It MUST NOT be an empty array.

credentialSubject Properties

Name	Type	Description
id	string	REQUIRED. MUST be a CA ID. CA ID is a UUIDv4 URN format string. There is a one-to-one correspondence between content and CA IDs.
type	string	REQUIRED. It MUST be Advertorial.
headline	string	REQUIRED. Title of the advertorial.
description	string	REQUIRED. A description of the advertorial.
image	object	OPTIONAL. A thumbnail image for the advertorial. RECOMMENDED if a thumbnail image is available. It MUST be a JSON-LD Node Object of type image datatype. This property allows you to verify the CA.
datePublished	string	OPTIONAL. Published date and time (ISO 8601).
dateModified	string	OPTIONAL. Last modified date (ISO 8601).
author	string[]	OPTIONAL. An array of author names.
editor	string[]	OPTIONAL. An array of editor names.
sponsor	string[]	OPTIONAL. An array of sponsor names.
genre	string	OPTIONAL. Genre.

Appendix

example

This section is non-normative.

Below is an example of Advertorial.

{
  "@context": [
    "https://www.w3.org/ns/credentials/v2",
    "https://originator-profile.org/ns/credentials/v1",
    "https://originator-profile.org/ns/cip/v1",
    { "@language": "en" }
  ],
  "type": ["VerifiableCredential", "ContentAttestation"],
  "issuer": "dns:example.com",
  "credentialSubject": {
    "id": "urn:uuid:78550fa7-f846-4e0f-ad5c-8d34461cb95b",
    "type": "Advertorial",
    "headline": "<Title of the Advertorial Web page>",
    "image": {
      "id": "https://media.example.com/image.png",
      "digestSRI": "sha256-WNn1owxcJX6uwrNFOhPX+npz4j46s3a1cExjX5wWVxw="
    },
    "description": "<A description of Advertorial Web page>",
    "author": ["Jane Smith"],
    "editor": ["John Smith"],
    "sponsor": ["<Sponsor name>"],
    "datePublished": "2023-07-04T19:14:00Z",
    "dateModified": "2023-07-04T19:14:00Z",
    "genre": "Arts & Entertainment"
  },
  "allowedUrl": ["https://media.example.com/articles/2024-06-30"],
  "target": [
    {
      "type": "VisibleTextTargetIntegrity",
      "cssSelector": "<CSS Selector>",
      "integrity": "sha256-GYC9PqfIw0qWahU6OlReQfuurCI5VLJplslVdF7M95U="
    },
    {
      "type": "ExternalResourceTargetIntegrity",
      "integrity": "sha256-+M3dMZXeSIwAP8BsIAwxn5ofFWUtaoSoDfB+/J8uXMo="
    }
  ]
}