Pith Number

pith:ZD2D7LXQ

pith:2010:ZD2D7LXQIJICY4VGXQ7PYU7KSZ

not attested not anchored not stored refs pending

A spectroscopic study of the cycling transition 4s[3/2]_2-4p[5/2]_3 at 811.8 nm in Ar-39: Hyperfine structure and isotope shift

C.-Y. Xu, K. Rudinger, P. Mueller, R. Yokochi, W. Williams, Z.-T. Lu

arxiv:1012.4509 v1 · 2010-12-20 · 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{ZD2D7LXQIJICY4VGXQ7PYU7KSZ}

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	2026-05-18T04:30:59.403918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8f43faef042502c72a6bc3efc53ea964b51856107f9d906c237445ed30694fa

Aliases

arxiv: 1012.4509 · arxiv_version: 1012.4509v1 · doi: 10.48550/arxiv.1012.4509 · pith_short_12: ZD2D7LXQIJIC · pith_short_16: ZD2D7LXQIJICY4VG · pith_short_8: ZD2D7LXQ

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/ZD2D7LXQIJICY4VGXQ7PYU7KSZ \
  | 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: c8f43faef042502c72a6bc3efc53ea964b51856107f9d906c237445ed30694fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab352bc14679f359caae816de98df04bff13038befaab53353c63b95b6785a9f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2010-12-20T23:52:43Z",
    "title_canon_sha256": "bada742db424935f87ab1d761d76e42179006f561a874fd20fd9b7683a7519fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.4509",
    "kind": "arxiv",
    "version": 1
  }
}