Pith Number

pith:VLQ3QR5E

pith:2012:VLQ3QR5E7IJQ4CT3ERPMEROI7J

not attested not anchored not stored refs pending

The Baryonic Halos of Elliptical Galaxies: Radial Distribution of Globular Clusters and Diffuse Hot Gas

Duncan A. Forbes, Ewan O'Sullivan, Trevor Ponman

arxiv:1205.5315 v1 · 2012-05-24 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VLQ3QR5E7IJQ4CT3ERPMEROI7J}

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	2026-05-18T01:57:18.108057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aae1b847a4fa130e0a7b245ec245c8fa6a9bc03ce0560ca04eef256348a68603

Aliases

arxiv: 1205.5315 · arxiv_version: 1205.5315v1 · doi: 10.48550/arxiv.1205.5315 · pith_short_12: VLQ3QR5E7IJQ · pith_short_16: VLQ3QR5E7IJQ4CT3 · pith_short_8: VLQ3QR5E

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/VLQ3QR5E7IJQ4CT3ERPMEROI7J \
  | 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: aae1b847a4fa130e0a7b245ec245c8fa6a9bc03ce0560ca04eef256348a68603

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5407091689ce1c72659b39d2a9ec724e0c3e77608202926dee725ddd3e69759",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-24T01:14:42Z",
    "title_canon_sha256": "dac33e2016e5b41f86a078c290a2474e1a95069a26a6f318d1e47cd5544cbcad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.5315",
    "kind": "arxiv",
    "version": 1
  }
}