Oxford Quantum Circuits (OQC): what changed.
The recorded research and its supporting evidence.
This is a historical record. Read the current company research →Evidence or assessment clarified · axis ratings unchanged
Assessment reviewed 7 Sept 2026 · Research reviewed 7 Sept 2026What changed
- Research evidence: Echo Cross Resonance gate error budgeting on a superconducting quantum processor
- Previously
OQC researchers report median two-qubit error falling from 4.6% to 1.2% on a tested 16-qubit chain in Toshiko gen-1 using interleaved randomized benchmarking. This is a preprint.
- Source title
- Echo Cross Resonance gate error budgeting on a superconducting quantum processor
- Source publication date
- 28 Jan 2026
- Source type
- paper
- Marked independent
- Not recorded
- Now
OQC researchers report median two-qubit error falling from 4.6% to 1.2% on a tested 16-qubit chain in Toshiko gen-1 using interleaved randomized benchmarking. This is a preprint.
- Source title
- Echo Cross Resonance gate error budgeting on a superconducting quantum processor
- Source publication date
- 28 Jan 2026
- Source type
- paper
- Marked independent
- Not recorded
- Where to look
- Abstract; submission history
- Source checked
- 12 Nov 2026
- Source or product version
- arXiv:2601.20458v1, 28 January 2026
- Limitations
- Median error reduction measured on a 16-qubit chain, not all pairs or all operating times.
- Retained for this claim (1)
- Research evidence: OQC Cloud
- Previously
Offers on-demand access to 32-qubit Toshiko hardware, emulators, usage monitoring and technical resources through scheduled access windows.
- Source title
- OQC Cloud
- Source publication date
- Not recorded
- Source type
- official
- Marked independent
- Not recorded
- Now
Offers on-demand access to 32-qubit Toshiko hardware, emulators, usage monitoring and technical resources through scheduled access windows.
- Source title
- OQC Cloud
- Source publication date
- Not recorded
- Source type
- official
- Marked independent
- Not recorded
- Where to look
- OQC Cloud introduction and access description
- Source checked
- 12 Nov 2026
- Source or product version
- Living access page checked 12 November
- Limitations
- 32-qubit Toshiko hardware and emulators; contact and access arrangements remain relevant.
- Retained for this claim (1)
- Research evidence: Superconducting — NVIDIA CUDA Q documentation
- Previously
Documents OQC registration, credentials, Toshiko machine selection and the separate local-emulation mode. This is partner integration documentation.
- Source title
- Superconducting — NVIDIA CUDA-Q documentation
- Source publication date
- Not recorded
- Source type
- technical
- Marked independent
- Not recorded
- Now
Documents OQC registration, credentials, Toshiko machine selection and the separate local-emulation mode. This is partner integration documentation.
- Source title
- Superconducting — NVIDIA CUDA-Q documentation
- Source publication date
- Not recorded
- Source type
- technical
- Marked independent
- Not recorded
- Where to look
- OQC → credentials, submitting, machine and emulate options
- Source checked
- 12 Nov 2026
- Source or product version
- Living CUDA-Q guide checked 12 November
- Limitations
- Registration required; emulation is distinct; default Lucy is not Toshiko.
- Retained for this claim (1)
Recorded dates use UTC and show when QubitWire saved the comparison. Review dates show the evidence check; neither is a new claim about when the underlying event happened. This view preserves the original research and assessment methodology.