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JSON-LD Examples
JSON-LD Examples

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!!! Overview
[{$pagename}] are some [Examples] for [JSON-LD] [1]
!! A simple [Digital Identity]
%%prettify
{{{
{
"@context": "https://w3id.org/identity/v1",
"id": "did:ebfeb1f712ebc6f1c276e12ec21",
"type": ["Identity", "Person"],
"name": "Alice Bobman",
"email": "alice@example.com",
"birthDate": "1985-12-14",
"telephone": "12345678910"
}
}}}
/%
!! [Example] of a [Credential]
The following example demonstrates how to express a simple [credential] that contains one [Verifiable Claim] about a particular [Digital Identity]. In this case, the [claim] is that the [entity] with the [Digital Identity] identified by [did|Decentralized Identifier]:ebfeb1f712ebc6f1c276e12ec21 is 21 years of age or older. While a human reading the property ageOver may be able to guess its meaning by its name, the [context] maps it a global identifier ([URL]) where a document could be retrieved that provides its semantics in a machine-readable data format. There is also information about the [credential] itself, such as an identifier for the [entity] that [issued|Issuer] it and a [date] for when it was issued. The credential contains a signature that can be used to verify its entire contents, including the [claim].
! A simple [credential]
%%prettify
{{{
{
"@context": "https://w3id.org/identity/v1",
"id": "http://example.gov/credentials/3732",
"type": ["Credential", "ProofOfAgeCredential"],
"issuer": "https://dmv.example.gov",
"issued": "2010-01-01",
"claim": {
"id": "did:ebfeb1f712ebc6f1c276e12ec21",
"ageOver": 21
},
"signature": {
"type": "LinkedDataSignature2015",
"creator": "https://dmv.example.gov/keys/6",
"signature": "2332f32g43ve23g23g23g/g3223gegvgre212fb488vh"
}
}
}}}
/%
! A more complex [credential]
%%prettify
{{{
{
"@context": "https://w3id.org/identity/v1",
"id": "http://example.gov/credentials/3732",
"type": ["Credential", "PassportCredential"],
"name": "Passport",
"issuer": "https://example.gov",
"issued": "2010-01-01",
"claim": {
"id": "did:ebfeb1f712ebc6f1c276e12ec21",
"name": "Alice Bobman",
"birthDate": "1985-12-14",
"gender": "female",
"nationality": {
"name": "United States"
},
"address": {
"type": "PostalAddress",
"addressStreet": "372 Sumter Lane",
"addressLocality": "Blackrock",
"addressRegion": "Nevada",
"postalCode": "237842",
"addressCountry": "US"
},
"passport": {
"type": "Passport",
"name": "United States Passport",
"documentId": "123-45-6789",
"issuer": "https://example.gov",
"issued": "2010-01-07T01:02:03Z",
"expires": "2020-01-07T01:02:03Z"
}
},
"signature": {
"type": "LinkedDataSignature2015",
"creator": "https://example.gov/keys/27",
"signature": "3780eyfh3q0fhhfiq3q9f8ahsidfhf29rhaish"
}
}
}}}
/%
! An [Digital Identity]identity with a [credential]
The following [example] demonstrates how to express one or more [credentials] along with an identity. This approach allows one to express an identity and some credentials that assert certain properties about it without losing data fidelity.
Because Linked Data is a graph-based format and credentials have been digitally-signed as independent graphs of information, they are expressed using the @graph keyword. An application that receives an identity in this format can be ensured that the credential data won't be accidentally mixed with data in any other graphs in the identity document. Once the application has verified the [digital Signatures] in each [credential], it can safely merge all of the claim data into a single graph of information about the identity.
%%prettify
{{{
"@context": "https://w3id.org/identity/v1",
"id": "did:ebfeb1f712ebc6f1c276e12ec21",
"type": ["Identity", "Person"],
"name": "Alice Bobman",
"email": "alice@example.com",
"birthDate": "1985-12-14",
"telephone": "12345678910",
"credential": [{
"@graph": {
"@context": "https://w3id.org/identity/v1",
"id": "http://example.gov/credentials/3732",
"type": ["Credential", "PassportCredential"],
"name": "Passport",
"issuer": "https://example.gov",
"issued": "2010-01-01",
"claim": {
"id": "did:ebfeb1f712ebc6f1c276e12ec21",
"name": "Alice Bobman",
"birthDate": "1985-12-14",
"gender": "female",
"nationality": {
"name": "United States"
},
"address": {
"type": "PostalAddress",
"addressStreet": "372 Sumter Lane",
"addressLocality": "Blackrock",
"addressRegion": "Nevada",
"postalCode": "237842",
"addressCountry": "US"
},
"passport": {
"type": "Passport",
"name": "United States Passport",
"documentId": "123-45-6789",
"issuer": "https://example.gov",
"issued": "2010-01-07T01:02:03Z",
"expires": "2020-01-07T01:02:03Z"
}
},
"signature": {
"type": "LinkedDataSignature2015",
"creator": "https://example.gov/keys/27",
"signature": "3780eyfh3q0fhhfiq3q9f8ahsidfhf29rhaish"
}
}
}]
}
}}}
/%
! [Example] Place
%%prettify
{{{
{
"@context": {
"name": "http://schema.org/name",
"description": "http://schema.org/description",
"image": {
"@id": "http://schema.org/image",
"@type": "@id"
},
"geo": "http://schema.org/geo",
"latitude": {
"@id": "http://schema.org/latitude",
"@type": "xsd:float"
},
"longitude": {
"@id": "http://schema.org/longitude",
"@type": "xsd:float"
},
"xsd": "http://www.w3.org/2001/XMLSchema#"
},
"name": "The Empire State Building",
"description": "The Empire State Building is a 102-story landmark in New York City.",
"image": "http://www.civil.usherbrooke.ca/cours/gci215a/empire-state-building.jpg",
"geo": {
"latitude": "40.75",
"longitude": "73.98"
}
}
}}}
/%
!! More Information
There might be more information for this subject on one of the following:
[{ReferringPagesPlugin before='*' after='\n' }]
----
* [#1] - [Identity Credentials 1.0|https://opencreds.org/specs/source/identity-credentials/|target='_blank'] - based on information obtained 2017-10-15-
This page (revision-1) was last changed on 29-Nov-2024 16:16 by UnknownAuthorTop