Pith Number

pith:OKL3TXML

pith:2026:OKL3TXMLAKJCLW6IZG5C4JXBVY

not attested not anchored not stored refs pending

Enhancing Quantum Metrology with High-order Fisher Information and Experiments

Jun-Li Jiang, Li-Ming Zhao, Ming-Xing Luo, Shao-Ming Fei, Xin-Zhu Liu, Xue Yang, Yan-Han Yang

arxiv:2606.27633 v1 · 2026-06-26 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OKL3TXMLAKJCLW6IZG5C4JXBVY}

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.

Receipt and verification

First computed	2026-06-29T00:14:12.674463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7297b9dd8b029225dbc8c9ba2e26e1ae30f836853b1c64b259873af3b9d70a07

Aliases

arxiv: 2606.27633 · arxiv_version: 2606.27633v1 · doi: 10.48550/arxiv.2606.27633 · pith_short_12: OKL3TXMLAKJC · pith_short_16: OKL3TXMLAKJCLW6I · pith_short_8: OKL3TXML

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/OKL3TXMLAKJCLW6IZG5C4JXBVY \
  | 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: 7297b9dd8b029225dbc8c9ba2e26e1ae30f836853b1c64b259873af3b9d70a07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e2820fd0ab93d84553fea1456f1348d2e25fc8fab9526225c8f9e8894d4199f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-26T01:12:32Z",
    "title_canon_sha256": "e123a8bddb56f93d0a24631f82c3afa2e81519822e1af21c20eea2c4652975f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.27633",
    "kind": "arxiv",
    "version": 1
  }
}