Pith Number

pith:NXPYTXLK

pith:2024:NXPYTXLKPSEL2NZDGRU7W7DCVR

not attested not anchored not stored refs pending

Second-order hyperfine structure and its impact on new physics searches using isotope shift spectroscopy

Julian C. Berengut, Natalia S. Oreshkina

arxiv:2409.01530 v2 · 2024-09-03 · physics.atom-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{NXPYTXLKPSEL2NZDGRU7W7DCVR}

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 a Global Search for New Physics with Isotope Shifts

Receipt and verification

First computed	2026-07-05T11:25:03.782497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ddf89dd6a7c88bd37233469fb7c62ac5318d0d5eb0758315331e374ba37092d

Aliases

arxiv: 2409.01530 · arxiv_version: 2409.01530v2 · doi: 10.48550/arxiv.2409.01530 · pith_short_12: NXPYTXLKPSEL · pith_short_16: NXPYTXLKPSEL2NZD · pith_short_8: NXPYTXLK

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/NXPYTXLKPSEL2NZDGRU7W7DCVR \
  | 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: 6ddf89dd6a7c88bd37233469fb7c62ac5318d0d5eb0758315331e374ba37092d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "709fc0043eabf6798d06fb25bfe568fc9f8e336f89479f798318f390dcf24684",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2024-09-03T01:54:26Z",
    "title_canon_sha256": "0f2eb44d3dafe09edbacdbaff9a397e04590e0f86be71e9e8bf47db45ed0a5a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.01530",
    "kind": "arxiv",
    "version": 2
  }
}