atx_canonicalize        Attestix JCS-style canonical JSON
atx_decode_did_key      Decode an Ed25519 'did:key' to its raw 32-byte
                        public key
atx_did_key_fragment    Return the multibase fragment portion of a
                        'did:key'
atx_ed25519_verify      Verify an Ed25519 (RFC 8032) signature
atx_parse_json          Parse JSON into the canonicalisation value tree
atx_public_key_to_did_key
                        Encode a raw 32-byte Ed25519 public key to a
                        'did:key'
atx_verification_method
                        Full verification method for a 'did:key'
                        ('<did>#<multibase>').
atx_verify_credential   Verify an Attestix W3C Verifiable Credential
                        offline
atx_verify_delegation_chain
                        Verify a UCAN delegation chain (Ed25519 per
                        link + attenuation)
