Pith Number

pith:YJ2LVAG4

pith:2010:YJ2LVAG4QM5ACETVB6P33GSR76

not attested not anchored not stored refs pending

The Dissection of Abell 2744: A Rich Cluster Growing Through Major and Minor Mergers

((1) Swinburne University, (2) CfA), Joshua C. Kempner, Laurence P. David (2), Matt S. Owers (1), Paul E.J. Nulsen (2), Scott W. Randall (2), Warrick J. Couch (1)

arxiv:1012.1315 v1 · 2010-12-06 · 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{YJ2LVAG4QM5ACETVB6P33GSR76}

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	2026-05-18T02:04:32.400743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c274ba80dc833a0112750f9fbd9a51ff80e02888a4b23b7bcee5a5bce2e80a9b

Aliases

arxiv: 1012.1315 · arxiv_version: 1012.1315v1 · doi: 10.48550/arxiv.1012.1315 · pith_short_12: YJ2LVAG4QM5A · pith_short_16: YJ2LVAG4QM5ACETV · pith_short_8: YJ2LVAG4

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/YJ2LVAG4QM5ACETVB6P33GSR76 \
  | 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: c274ba80dc833a0112750f9fbd9a51ff80e02888a4b23b7bcee5a5bce2e80a9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cea9268c057a4e3c6d9c6924e6e5733f666ba035e84cb274bf69cc1107de0940",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-12-06T21:00:00Z",
    "title_canon_sha256": "179b78e72ee7e4e433bdfcd562aa53a513aabd8cbd25f6a2b91b847b3a294f13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1315",
    "kind": "arxiv",
    "version": 1
  }
}