Pith Number

pith:YC2D3XGF

pith:2013:YC2D3XGFMHM4KKMYT2RFPGSBXY

not attested not anchored not stored refs pending

Robust Quantification of Galaxy Cluster Morphology Using Asymmetry and Central Concentration

A. Vikhlinin, B. A. Benson, C. W. Stubbs, D. Nurgaliev, E. D. Miller, M. McDonald

arxiv:1309.7044 v2 · 2013-09-26 · 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{YC2D3XGFMHM4KKMYT2RFPGSBXY}

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	2026-05-18T01:47:25.937137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0b43ddcc561d9c529989ea2579a41be39b8a6044873fe12babc8056ef8a52a9

Aliases

arxiv: 1309.7044 · arxiv_version: 1309.7044v2 · doi: 10.48550/arxiv.1309.7044 · pith_short_12: YC2D3XGFMHM4 · pith_short_16: YC2D3XGFMHM4KKMY · pith_short_8: YC2D3XGF

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/YC2D3XGFMHM4KKMYT2RFPGSBXY \
  | 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: c0b43ddcc561d9c529989ea2579a41be39b8a6044873fe12babc8056ef8a52a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "472c131557db72232d487714c0f38658173a482ad36fbbbe77715480210219f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-26T20:00:00Z",
    "title_canon_sha256": "bcc48348340cbbca5de16edd68854f3779d9d93f8aea90754d7db5a671afc47d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7044",
    "kind": "arxiv",
    "version": 2
  }
}