Pith Number

pith:KUKXWFAH

pith:2024:KUKXWFAH2CRGZKJYOWXBOYLYEB

not attested not anchored not stored refs pending

Frequency ratio of the $^{229\mathrm{m}}$Th nuclear isomeric transition and the $^{87}$Sr atomic clock

Adrian Leitner, Chuankun Zhang, Georgy Kazakov, Jack F. Doyle, Jacob S. Higgins, Jun Ye, Kjeld Beeks, Lars von der Wense, Peng Li, Peter G. Thirolf, Thorsten Schumm, Tian Ooi

arxiv:2406.18719 v2 · 2024-06-26 · physics.atom-ph · nucl-ex · physics.optics · 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{KUKXWFAH2CRGZKJYOWXBOYLYEB}

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

Towards theory constraints on ultralight dark matter from quantum gravity

Receipt and verification

First computed	2026-07-05T09:04:10.808187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55157b1407d0a26ca93875ae1761782076e5ac806e50dc3dc34471c4b0cad93f

Aliases

arxiv: 2406.18719 · arxiv_version: 2406.18719v2 · doi: 10.48550/arxiv.2406.18719 · pith_short_12: KUKXWFAH2CRG · pith_short_16: KUKXWFAH2CRGZKJY · pith_short_8: KUKXWFAH

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/KUKXWFAH2CRGZKJYOWXBOYLYEB \
  | 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: 55157b1407d0a26ca93875ae1761782076e5ac806e50dc3dc34471c4b0cad93f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a09dad3859da5754629ccc649d3dea103ef2933b57b8649feb0b871e25d5df95",
    "cross_cats_sorted": [
      "nucl-ex",
      "physics.optics",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2024-06-26T19:38:45Z",
    "title_canon_sha256": "5680cbd96c741e5da2194205b55ffe0426f9b01ca4238e2004ea4417c1b07352"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.18719",
    "kind": "arxiv",
    "version": 2
  }
}