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Drummond Reed

Markus Sabadello

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  1. The SCID and verifiable history log are generated using the same process as defined in the did:webvh or KERI AID specifications

  2. Once generated, the initial verifiable history JSON file is published as a DID-Linked Resource on cheqd. For example:

    1. did:cheqd:testnet:9cdea85b-7524-4962-ad11-c943b8303692?resourceName=didScidExample&resourceType=didScidLogEntry&resourceVersionTime=2025-01-23T07:17:26Z

    2. (Using cheqd DID Resolver) https://resolver.cheqd.net/1.0/identifiers/did:cheqd:testnet:9cdea85b-7524-4962-ad11-c943b8303692?resourceName=didScidExample&resourceType=didScidLogEntry&resourceVersionTime=2025-01-23T07:17:26Z

    3. (using DIF Universal Resolver) https://dev.uniresolver.io/1.0/identifiers/did:cheqd:testnet:9cdea85b-7524-4962-ad11-c943b8303692?resourceName=didScidExample&resourceType=didScidLogEntry&resourceVersionTime=2025-01-23T07:17:26Z

  3. When publishing the verifiable history JSON file on cheqd, the controller MUST also publish the following metadata to enable the file to be queried:

    1. resourceName: Any arbitrary string, naming the file

    2. resourceType: MUST be didScidLogEntry

  4. The controller MAY also publish the following optional metadata:

    1. alternativeUri: A string or array specifying alternative locations where the initial verifiable history log is also published

    2. resourceVersion: To enable more granular querying by a specific version name or number

  5. The DID-Linked Resource SHOULD be signed using the same keys specified in the “authentication” section of the DID Document, ensuring cryptographic verifiability back to the controller of the DID Document.

  6. Using this persistent identifier for the initial verifiable history log, a did:scid DID can be derived. For example:

    1. did:scid:ke:3:EKYGGh-FtAphGmSZbsuBs_t4qpsjYJ2ZqvMKluq9OxmP?src=did:cheqd:testnet:9cdea85b-7524-4962-ad11-c943b8303692?resourceName=didScidExample&resourceType=didScidLogEntry&resourceVersionTime=2025-01-23T07:17:26Z

    2. Including a portable did:scid DID which can be migrated to different infrastructure:

      1. did:scid:ke:3:EKYGGh-FtAphGmSZbsuBs_t4qpsjYJ2ZqvMKluq9OxmP

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