Pith Number

pith:QMYYG6SS

pith:2024:QMYYG6SSLHTEKZSTW5WDWZR3BU

not attested not anchored not stored refs pending

Scaling of quantum Fisher information for quantum exceptional point sensors

Chuanwei Zhang, Chun-Hui Liu, Fu Li, Jianming Wen, Lan Yang, Shengwang Du

arxiv:2404.03803 v1 · 2024-04-04 · quant-ph · cond-mat.quant-gas · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QMYYG6SSLHTEKZSTW5WDWZR3BU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

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.

Cited by

1 paper in Pith

Enhanced quantum metrology by criticality-assisted noncommutative preparation

Receipt and verification

First computed	2026-07-05T08:04:41.472017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8331837a5259e6456653b76c3b663b0d26ac861b69d2b683885f7684592efa2e

Aliases

arxiv: 2404.03803 · arxiv_version: 2404.03803v1 · doi: 10.48550/arxiv.2404.03803 · pith_short_12: QMYYG6SSLHTE · pith_short_16: QMYYG6SSLHTEKZST · pith_short_8: QMYYG6SS

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/QMYYG6SSLHTEKZSTW5WDWZR3BU \
  | 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: 8331837a5259e6456653b76c3b663b0d26ac861b69d2b683885f7684592efa2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a2376b7a33139cf06abb6381e26e9f313052aad5cf036f603a655bd044cd787",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-04-04T20:47:54Z",
    "title_canon_sha256": "5ff97e36ef82b0b3979d993158272524bdac953f25ac8c9a8572a6a42e57a660"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.03803",
    "kind": "arxiv",
    "version": 1
  }
}