Pith Number

pith:UZ2JKGCZ

pith:2012:UZ2JKGCZ5VA7EGKBUOH7FGS7L6

not attested not anchored not stored refs pending

Extremely rapid star cluster disruption in high-shear circumnuclear starburst rings: the unusual case of NGC 7742

Astrophysics, Peking University), Peter Anders (Kavli Institute for Astronomy, Richard de Grijs

arxiv:1209.2429 v1 · 2012-09-11 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UZ2JKGCZ5VA7EGKBUOH7FGS7L6}

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	2026-05-18T01:54:30.281040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a674951859ed41f21941a38ff29a5f5f8cae0c7efa4838d69b75935f94da03ac

Aliases

arxiv: 1209.2429 · arxiv_version: 1209.2429v1 · doi: 10.48550/arxiv.1209.2429 · pith_short_12: UZ2JKGCZ5VA7 · pith_short_16: UZ2JKGCZ5VA7EGKB · pith_short_8: UZ2JKGCZ

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/UZ2JKGCZ5VA7EGKBUOH7FGS7L6 \
  | 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: a674951859ed41f21941a38ff29a5f5f8cae0c7efa4838d69b75935f94da03ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e356ec6af77f201f5298d7ef20d0c12625dc6b4ee4b8f371b66b0299d6a55e05",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-11T20:10:16Z",
    "title_canon_sha256": "0f876152ce139e2ca5077440479dcb21b796e387f98d952dfa76f758f3935ccb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2429",
    "kind": "arxiv",
    "version": 1
  }
}