Pith Number

pith:UD4FVINN

pith:2025:UD4FVINNEZ26UA5EFJSWDLLVDQ

not attested not anchored not stored refs pending

Separate and efficient characterization of state-preparation and measurement errors using single-qubit operations

Leigh M. Norris, Lorenza Viola, Muhammad Qasim Khan

A protocol using only single-qubit gates and repeated non-destructive measurements can separately characterize state-preparation and measurement errors with circuit depth independent of system size.

arxiv:2509.19448 v2 · 2025-09-23 · quant-ph

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\usepackage{pith}
\pithnumber{UD4FVINNEZ26UA5EFJSWDLLVDQ}

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Record completeness

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2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Claims

C1strongest claim

We show how to construct a protocol that can efficiently and separately characterize the SP and M error parameters by using only high-fidelity single-qubit gates and repeated single-qubit measurements without reset. The circuit depth of the protocol is independent of system size.

C2weakest assumption

M errors are taken to be (spatially and temporally) uncorrelated and classical; measurements are assumed to be non-destructive.

C3one line summary

A protocol for separate, efficient characterization of state-preparation and measurement errors via single-qubit operations with depth independent of system size.

Formal links

2 machine-checked theorem links

Receipt and verification

First computed	2026-06-02T01:03:33.791661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0f85aa1ad2675ea03a42a6561ad751c1b273e824d35e52b4b2c35375d0151e2

Aliases

arxiv: 2509.19448 · arxiv_version: 2509.19448v2 · doi: 10.48550/arxiv.2509.19448 · pith_short_12: UD4FVINNEZ26 · pith_short_16: UD4FVINNEZ26UA5E · pith_short_8: UD4FVINN

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/UD4FVINNEZ26UA5EFJSWDLLVDQ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a0f85aa1ad2675ea03a42a6561ad751c1b273e824d35e52b4b2c35375d0151e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef87c698fc239c7f3212d3b5782cfbbffc68abeef90840c35db5e48b247c6391",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-09-23T18:03:10Z",
    "title_canon_sha256": "e8317124bf764332d1893248983c307295eee2f125b7e22c9fc4199a89c31c74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.19448",
    "kind": "arxiv",
    "version": 2
  }
}