Pith Number

pith:ZLHSAUDS

pith:2013:ZLHSAUDS5YF5QSE6IYOQAAC635

not attested not anchored not stored refs pending

Wilson-Bappu Effect: Extended to Surface Gravity

Jeong-Eun Lee, Sang-Gak Lee, Sunkyung Park, Wonseok Kang

arxiv:1307.0592 v1 · 2013-07-02 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZLHSAUDS5YF5QSE6IYOQAAC635}

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	2026-05-18T01:49:00.779939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cacf205072ee0bd8489e461d00005edf76ee46d816a08d219bb9408595082c7f

Aliases

arxiv: 1307.0592 · arxiv_version: 1307.0592v1 · doi: 10.48550/arxiv.1307.0592 · pith_short_12: ZLHSAUDS5YF5 · pith_short_16: ZLHSAUDS5YF5QSE6 · pith_short_8: ZLHSAUDS

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/ZLHSAUDS5YF5QSE6IYOQAAC635 \
  | 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: cacf205072ee0bd8489e461d00005edf76ee46d816a08d219bb9408595082c7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7e061df1445dc3c4817c5d8e52519eb57a3452fc2de752aced4f9a52bed3cfc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-07-02T05:45:41Z",
    "title_canon_sha256": "7fb095e1484559cc1250a407b5ecb79d380a997c58a27357d956360493cfe6e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.0592",
    "kind": "arxiv",
    "version": 1
  }
}