The Trust DID Web (did:tdw) DID Method and been renamed did:webvh ("did:web + Verifiable History") and the specification has moved to: https://identity.foundation/didwebvh
The repository for the specification has moved to https://github.com/decentralized-identity/didwebvh
Thanks to the Government of British Columbia for incubating the specification and initial implementations.
Thanks to the Decentralized Identity Foundation for providing a home for the next step in creating did:webvh.