"Version: 20231101"--Title page verso.Includes bibliographical references.1. Obscure qubits and membership amplitudes -- 1.1. Preliminaries -- 1.2. Membership amplitudes -- 1.3. Transformations of obscure qubits -- 1.4. Kronecker obscure qubits -- 1.5. Obscure-quantum measurement -- 1.6. Kronecker obscure-quantum gates -- 1.7. Double entanglement -- 1.8. Conclusions2. Higher braid quantum gates…