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COMPANY RESEARCH · Error control

Qedma

QESEM characterizes device noise, optimizes circuit execution and combines additional measurements with classical processing to estimate observables with uncertainty bars.

Official website ↗
Israel · Research reviewed 7 Sept 2026

Latest record: research brief added · axis ratings unchanged.

Review history 2 records

Record dates use UTC and show when an assessment or clarification was saved. Review dates show the evidence check. Earlier records were recovered from QubitWire’s source history; no earlier score movement is inferred.

  1. Research brief added · axis ratings unchanged

    Assessment reviewed 6 Sept 2026 · Research reviewed 7 Sept 2026
    What changed
    Research brief
    Previously

    None recorded

    Now

    Initial technology, access and evidence brief

    Sources in this record (3)
Identity & attribution
Organization record
Qedma (organization-071)
Recorded role
Quantum error mitigation and suppression
Recorded aliases
No aliases recorded in this assessment.
Name and period
No dated name or ownership transition is recorded here. An alias is a search aid, not evidence of a legal ownership relationship.
Product scope
Quantum error mitigation and suppression for noisy processors

A company profile may discuss several systems. Capabilities remain attached to the product and conditions named in each source; they do not transfer automatically to related organizations. A verified security relationship has not been attached to this record.

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Company evidence and analysis

Dated company evidence, its limits and the next test to follow. These notes do not change a QRank score.

QedmaError suppression and mitigation software

Sources reviewed 20 Oct 2026. Event dates remain attached to the original evidence.

Qedma announced CUDA-Q integration for QESEM in September 2026. The release identifies Quantinuum hardware as the supported implementation, with additional backends planned. The available backend scope and the prospective expansion should be recorded separately, alongside the distinction between mitigation and logical error correction.

Software portability is often presented as a yes-or-no property, but users encounter a more detailed reality. An interface may accept a program while only some operations, devices or execution modes receive the promised treatment. A useful Qedma profile should state the tested combinations and how the software communicates limitations. The evaluation also needs the resource cost of improving an estimate: extra samples and classical processing belong in the total budget. An improvement that is attractive for one observable or circuit depth may not transfer to another. That makes a public set of supported examples, with both successful and difficult cases, especially valuable. The next evidence should show repeatable gains under a fixed accuracy target across a documented range of circuits. Readers can then distinguish a convenient integration from an experimentally broad result without losing sight of the real benefit either might provide.

For a reader evaluating Qedma, the practical question is which documented backends and circuit families can be used with the current released integration. A useful next evidence check is specific: verify the supported-backend matrix and compare estimation error at fixed total sampling and classical-compute cost. A software-platform announcement does not imply every device on that platform is already supported. These are proposed tests for judging a later update, not claims that the company has already passed them.

Security status: No public security verified in reviewed material; directory/watch profile only

Facts, comparisons and next evidence

At a glance

  • label
    Quantum role
    value
    Error suppression and mitigation
  • label
    Evidence date
    value
    2026-09-14
  • label
    Assessment action
    value
    Evidence enrichment

Dated milestones

  • date
    2026-09-14
    Date scope
    source publication date; unknown if undated
    event
    Software integration released
    status
    Published primary evidence; retain the narrower maturity statement
    what it does not establish
    A software-platform announcement does not imply every device on that platform is already supported.

Quantum role

layer
Error suppression and mitigation
Question
Which documented backends and circuit families can be used with the current released integration.

Questions for comparison

  • Supported backend/version matrix
  • Accuracy per total sample and compute budget
  • Performance across circuit families

Related approaches

  • name
    Q-CTRL
    relationship
    Proposed comparison of relevant dimensions; not a claim of equivalent products or a ranking
    dimensions
    • Supported backend/version matrix
    • Accuracy per total sample and compute budget
    • Performance across circuit families
  • name
    Qruise
    relationship
    Proposed comparison of relevant dimensions; not a claim of equivalent products or a ranking
    dimensions
    • Supported backend/version matrix
    • Accuracy per total sample and compute budget
    • Performance across circuit families

Limits and missing evidence

  • A software-platform announcement does not imply every device on that platform is already supported.
  • Current CUDA-Q package/version documentation
  • Equal-budget mitigation benchmarks
  • Evidence for additional hardware before expanding scope

What would change this assessment

trigger
Verify the supported-backend matrix and compare estimation error at fixed total sampling and classical-compute cost.
Evidence needed
Dated primary technical report, product specification or customer/issuer disclosure directly answering the test.
Test
Identify the configuration, time boundary and measured outcome; retain unsuccessful attempts and stated limitations.
Limit
A software-platform announcement does not imply every device on that platform is already supported.

A starting question

question
Does a common software interface make hardware results interchangeable?
answer
No. It can make programs easier to submit, but different devices and supported features still produce different experiments. A useful comparison identifies the exact backend, software version and resources used.
Original sources and scope
  1. Qedma integrates QESEM with NVIDIA CUDA-Q ↗Source dated 14 Sept 2026

    Current implementation explicitly supports Quantinuum hardware; other backends prospective.

TECHNOLOGY & ACCESS

What it does. Where it fits.

Quantum error mitigation and suppression for noisy processors

Who should look closer

Researchers measuring physical observables who can budget additional quantum runtime for accuracy.

QubitWire’s editorial assessment of practical fit.

Explore the QESEM Qiskit Function

IBM documents an experimental Function for Premium, Flex and eligible On-Prem plans, with a provider access request. Its workflow can estimate quantum runtime before execution.

Check the current access route ↗
DOCUMENTED EVIDENCE

What the sources establish

A July 2026 preprint reports percent-level magnetization precision in a driven Ising experiment using up to 74 qubits on IBM Heron r3. Validation includes selected-cycle corroboration on Quantinuum hardware.

What remains unresolved

Error mitigation improves estimated results; it does not create protected logical qubits. Reliability depends on characterization and validation, and the accuracy target and circuit volume affect quantum runtime.

The next question to watch

Will independent tests reproduce the precision at larger circuit volumes with an acceptable total runtime and strong classical comparisons?

A research question, not a promised milestone.

QubitWire coverage

No published QubitWire stories currently match this organization. The evidence sources below provide the starting point.

Open research questions

Editorial questions for this profile. No reviewed closure decision has been recorded; unanswered questions do not lower the official score.

Open research question

Will independent tests reproduce the precision at larger circuit volumes with an acceptable total runtime and strong classical comparisons?

What evidence would help

A source addressing this question must identify the named system, experiment or deployment, its conditions, measured outcome and remaining limitations. What are the physical-qubit, runtime and sampling overheads?

What would resolve it?

An editorial review must explain which part of this question the evidence resolves. A roadmap or an announcement alone does not close it.

No resolved, partial or disputed outcome is asserted without a reviewed transition and its evidence.

Suggest evidence
Open research question

Which named system or service can I use under the documented access route?

What evidence would help

Check the current terms for explore the qesem qiskit function. Identify the system version, eligibility, restrictions and whether the result used hardware or simulation.

What would resolve it?

Current primary documentation must identify the offering, eligible user and access conditions. An unspecified company-level access claim is insufficient.

No resolved, partial or disputed outcome is asserted without a reviewed transition and its evidence.

Suggest evidence
Open research question

Was error suppression measured on hardware or predicted by simulation?

What evidence would help

Provide the source location, relevant product or generation, workload, resource constraints and reported uncertainty. Keep measurements, simulations and announced targets distinct.

What would resolve it?

A source reviewer must map the evidence to this exact scope. Missing disclosure remains unknown; it is not technical failure.

No resolved, partial or disputed outcome is asserted without a reviewed transition and its evidence.

Suggest evidence

Questions are drawn from the existing brief and sector reading guide. Research brief reviewed 7 Sept 2026. Following stores a local bookmark; it does not send email alerts or imply a scheduled review.

Since your review

Scope: Qedma. Reading a page never marks its records reviewed.

Keep a baseline and explicitly mark the evidence you have reviewed. This optional journal stays in this browser.

Existing material records remain available after setup. Routine rechecks and initial entries are excluded from material counts.

From claim to assessment

These are the existing assessment claims and their recorded criterion links. A source link is not an independent replication. New research does not change these published ratings automatically.

Source references in method 1.0 · assessment reviewed 6 Sept 2026
Recorded claim & sourceAssessment linkageProvenance & limits
Source 1

IBM documents circuit input, error-mitigated expectation values, precision and runtime estimation. Qiskit Functions are experimental preview features limited to listed paid-plan users.

QESEM: A Qiskit Function by Qedma ↗Published Not recorded
Exact source location

No page, figure or section locator is recorded. Open the source and check the claim in its original context.

Delivery

QESEM is documented as a Qiskit Function subject to plan and preview restrictions.

Integration

IBM documents the QESEM Qiskit interface and executable workflow.

Published rating inputs remain unchanged.
External source; collaborators may be involved

Source type: technical. Independent replication, experiment date and source-version fingerprint are not separately recorded.

Product and measurement scope: read the named system and conditions in this claim. No normalized product revision is assigned.

Review recorded 6 Sept 2026. Research brief reviewed 7 Sept 2026. These dates do not establish publication or experiment dates.

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Source 2

Preprint reports percent-level magnetization precision on up to 74 qubits using QESEM and IBM Heron, with mitigation validation and selected-cycle cross-platform corroboration; classical comparison is specific to tested simulation methods.

Resolving Structure in Prethermal Floquet Dynamics with Precision Quantum Computation ↗Published 27 Jul 2026
Exact source location

No page, figure or section locator is recorded. Open the source and check the claim in its original context.

Capability

Scoped hardware experiments report error-mitigation results and resource limitations; mitigation is distinct from QEC.

Use in practice

Public experiments demonstrate specific physics workloads rather than established end-customer production use.

Published rating inputs remain unchanged.
Organization-originated source

Source type: paper. Independent replication, experiment date and source-version fingerprint are not separately recorded.

Product and measurement scope: read the named system and conditions in this claim. No normalized product revision is assigned.

Review recorded 6 Sept 2026. Research brief reviewed 7 Sept 2026. These dates do not establish publication or experiment dates.

Report an issue with this claim →
Source 3

Preprint describes characterization-based QESEM and experiments on IBM and IonQ systems, distinguishing measured examples from near-term performance projections.

Reliable high-accuracy error mitigation for utility-scale quantum circuits ↗Published 14 Aug 2025
Exact source location

No page, figure or section locator is recorded. Open the source and check the claim in its original context.

Capability

Scoped hardware experiments report error-mitigation results and resource limitations; mitigation is distinct from QEC.

Use in practice

Public experiments demonstrate specific physics workloads rather than established end-customer production use.

Published rating inputs remain unchanged.
Organization-originated source

Source type: paper. Independent replication, experiment date and source-version fingerprint are not separately recorded.

Product and measurement scope: read the named system and conditions in this claim. No normalized product revision is assigned.

Review recorded 6 Sept 2026. Research brief reviewed 7 Sept 2026. These dates do not establish publication or experiment dates.

Report an issue with this claim →
Revision and evidence-family boundaries

Record reference: adc936854c2f521485a7036476b1895f164b0346d45c3347bc66db6a91cd012b. Read prior recorded revisions.

Repeated coverage can describe the same experiment. The assessment does not contain a reviewed claim-family grouping, so the number of links is never shown as a replication count. Source pages can change independently of this saved assessment; the original source text is not archived here.

CHECK THE ORIGINALS

Sources & evidence

  1. QESEM: A Qiskit Function by Qedma ↗External source (may be a collaborator) · Publication date not stated

    IBM documents circuit input, error-mitigated expectation values, precision and runtime estimation. Qiskit Functions are experimental preview features limited to listed paid-plan users.

  2. Resolving Structure in Prethermal Floquet Dynamics with Precision Quantum Computation ↗Organization-originated source · 27 Jul 2026

    Preprint reports percent-level magnetization precision on up to 74 qubits using QESEM and IBM Heron, with mitigation validation and selected-cycle cross-platform corroboration; classical comparison is specific to tested simulation methods.

  3. Reliable high-accuracy error mitigation for utility-scale quantum circuits ↗Organization-originated source · 14 Aug 2025

    Preprint describes characterization-based QESEM and experiments on IBM and IonQ systems, distinguishing measured examples from near-term performance projections.

  4. Qedma integrates QESEM with NVIDIA CUDA-Q ↗Company primary announcement · 14 Sept 2026

    Qedma announced CUDA-Q integration for QESEM in September 2026. The release identifies Quantinuum hardware as the supported implementation, with additional backends planned. The available backend scope and the prospective expansion should be recorded separately, alongside the distinction between mitigation and logical error correction.

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