Pith Number

pith:2EK2J2SJ

pith:2012:2EK2J2SJMUDLOFCRV4DAHO3VJU

not attested not anchored not stored refs pending

An Integral Field Study of Abundance Gradients in Nearby LIRGs

D. S. N. Rupke, J. A. Rich, L. J. Kewley, M. A. Dopita, P. Torrey

arxiv:1204.5520 v1 · 2012-04-25 · 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{2EK2J2SJMUDLOFCRV4DAHO3VJU}

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.

Cited by

1 paper in Pith

Witnessing the rapid growth of disk galaxies over cosmic time using JWST and HST

Receipt and verification

First computed	2026-05-18T01:57:46.428385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d115a4ea496506b71451af0603bb754d27bf18f11072b7e7f804dbf465b12798

Aliases

arxiv: 1204.5520 · arxiv_version: 1204.5520v1 · doi: 10.48550/arxiv.1204.5520 · pith_short_12: 2EK2J2SJMUDL · pith_short_16: 2EK2J2SJMUDLOFCR · pith_short_8: 2EK2J2SJ

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/2EK2J2SJMUDLOFCRV4DAHO3VJU \
  | 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: d115a4ea496506b71451af0603bb754d27bf18f11072b7e7f804dbf465b12798

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfab87003181d0b866b340937e9bcdf3e50ff2ed16177daa01e95d6e0bf5e967",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-04-25T00:32:01Z",
    "title_canon_sha256": "fa3260652ac09ac40bdb305bb0d42fdbd066de41a4180a8e4fd8ca3d4f4035d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5520",
    "kind": "arxiv",
    "version": 1
  }
}