Pith Number

pith:RL7D2NLU

pith:2013:RL7D2NLUDB4OK4G377EH556X33

not attested not anchored not stored refs pending

Star Formation in Nuclear Rings of Barred Galaxies

Korea), Woong-Tae Kim (Seoul National University, Woo-Young Seo

arxiv:1304.3899 v1 · 2013-04-14 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RL7D2NLUDB4OK4G377EH556X33}

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	2026-05-18T01:50:33.103283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8afe3d35741878e570dbffc87ef7d7deca03120d83c549e0e3be7d98d23e3257

Aliases

arxiv: 1304.3899 · arxiv_version: 1304.3899v1 · doi: 10.48550/arxiv.1304.3899 · pith_short_12: RL7D2NLUDB4O · pith_short_16: RL7D2NLUDB4OK4G3 · pith_short_8: RL7D2NLU

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/RL7D2NLUDB4OK4G377EH556X33 \
  | 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: 8afe3d35741878e570dbffc87ef7d7deca03120d83c549e0e3be7d98d23e3257

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c5ac99c8f17240d845cebefa29c4f7f173af0f53b51f5f620ad507dd62104ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-14T10:12:53Z",
    "title_canon_sha256": "2e7fde285e32c42e56e82b8ab1b5807a0b529c16f3a60dfe8fc0dd6aaaa6ec61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3899",
    "kind": "arxiv",
    "version": 1
  }
}