Pith Number

pith:KSWN2Z5E

pith:2009:KSWN2Z5E6J3TEIUKFVPBV672ZA

not attested not anchored not stored refs pending

Precision spectroscopy of the 3s-3p fine structure doublet in Mg+

B. Bernhardt, G. Saathoff, H. A. Sch\"ussler, M. Herrmann, R. Holzwarth, S. Kn\"unz, Th. Udem, T. W. H\"ansch, T. Wilken, V. Batteiger

arxiv:0907.0368 v1 · 2009-07-02 · 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{KSWN2Z5E6J3TEIUKFVPBV672ZA}

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	2026-05-18T02:13:11.186094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54acdd67a4f27732228a2d5e1afbfac8235275926bf27ab00a7789ea5bab0174

Aliases

arxiv: 0907.0368 · arxiv_version: 0907.0368v1 · doi: 10.48550/arxiv.0907.0368 · pith_short_12: KSWN2Z5E6J3T · pith_short_16: KSWN2Z5E6J3TEIUK · pith_short_8: KSWN2Z5E

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/KSWN2Z5E6J3TEIUKFVPBV672ZA \
  | 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: 54acdd67a4f27732228a2d5e1afbfac8235275926bf27ab00a7789ea5bab0174

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "743d99a4d5f3ee92f03c0f995d57bc195b1ad21e9fe714b692d8c369c20f0604",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2009-07-02T13:04:42Z",
    "title_canon_sha256": "96801273bb373458d7facb1ed214391f16407e907d1a2105f47e6d094576cafe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0368",
    "kind": "arxiv",
    "version": 1
  }
}