Pith Number

pith:5SQYEUIA

pith:2009:5SQYEUIAXXHS3463QDXKZ7QU7I

not attested not anchored not stored refs pending

The Extreme Star Formation Activity of Arp299 Revealed by Spitzer IRS Spectral Mapping

2), (3) University of Cologne, (4) University of Toledo, (5) Leiden Observatory, (6) University of Crete, (7) SSC-Caltech), Almudena Alonso-Herrero (1, Bernhard Brandl (5), George H. Rieke (2), J. D. T. Smith (4), Lee Armus (7) ((1) IEM-CSIC (2) University of Arizona, Luis Colina (1), Macarena Garcia-Marin (3), Miguel Pereira-Santaella (1), Vassilis Charmandaris (6)

arxiv:0903.1495 v1 · 2009-03-09 · 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{5SQYEUIAXXHS3463QDXKZ7QU7I}

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	2026-05-18T02:35:00.573205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eca1825100bdcf2df3db80eeacfe14fa146e0d6c1a1ac12534e1f534cd3b2fe3

Aliases

arxiv: 0903.1495 · arxiv_version: 0903.1495v1 · doi: 10.48550/arxiv.0903.1495 · pith_short_12: 5SQYEUIAXXHS · pith_short_16: 5SQYEUIAXXHS3463 · pith_short_8: 5SQYEUIA

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/5SQYEUIAXXHS3463QDXKZ7QU7I \
  | 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: eca1825100bdcf2df3db80eeacfe14fa146e0d6c1a1ac12534e1f534cd3b2fe3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea574e8d1a3f99f0231a6de4ca5aa7752854a48503277f99c3ec3fceffb46545",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-03-09T08:24:40Z",
    "title_canon_sha256": "ddb6525b23944f72fc0ee2a5a2ea1f44e01474f15231793dd9a9750384dec47e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.1495",
    "kind": "arxiv",
    "version": 1
  }
}