pith. sign in
Pith Number

pith:Z7QIJBKZ

pith:2012:Z7QIJBKZWP5M7M6QGFRPF3SQAW
not attested not anchored not stored refs pending

High resolution isotope shifts and hyperfine structure measurements of tungsten by laser induced fluorescence spectroscopy

Aaron Leanhardt, Jeongwon Lee, Jinhai Chen

arxiv:1212.5718 v1 · 2012-12-22 · physics.atom-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{Z7QIJBKZWP5M7M6QGFRPF3SQAW}

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 2026-05-18T01:52:28.911748Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

cfe0848559b3facfb3d03162f2ee500587417796dbfaa0ed1100f7e214d8172e

Aliases

arxiv: 1212.5718 · arxiv_version: 1212.5718v1 · doi: 10.48550/arxiv.1212.5718 · pith_short_12: Z7QIJBKZWP5M · pith_short_16: Z7QIJBKZWP5M7M6Q · pith_short_8: Z7QIJBKZ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/Z7QIJBKZWP5M7M6QGFRPF3SQAW \
  | 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: cfe0848559b3facfb3d03162f2ee500587417796dbfaa0ed1100f7e214d8172e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8a9d723188acb1f4e4bd238fc2552ca37f2b909150f5d4251f19fdd4317bfb5f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2012-12-22T19:59:53Z",
    "title_canon_sha256": "06f871ba6ed023ceccbe8039c79bbfe2ab96fd5c67b9b06802ad1351e35e9aed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.5718",
    "kind": "arxiv",
    "version": 1
  }
}