Pith Number

pith:T7KK3AA3

pith:2014:T7KK3AA3S6W4HU5TBNN7LRAM2I

not attested not anchored not stored refs pending

Understanding the Unique Assembly History of Central Group Galaxies

Alexie Leauthaud (KAVLI-IPMU), Benedetta Vulcani, Cambridge), Carlo Nipoti (INAF-OaBO), Claire Lackner, Jean Paul Kneib (Ecole Polytechnique Federale de Lausanne), Kevin Bundy, Lodovico Coccato (ESO), Matthew Auger (Institue of Astronomy, Simona Mei (GEPI, Tommaso Treu (UCSB, UCLA), Universite Paris Denis Diderot)

arxiv:1410.7402 v1 · 2014-10-27 · 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{T7KK3AA3S6W4HU5TBNN7LRAM2I}

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	2026-07-04T23:56:27.369051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fd4ad801b97adc3d3b30b5bf5c40cd230e68771f9910d0670e8b53822ed2906

Aliases

arxiv: 1410.7402 · arxiv_version: 1410.7402v1 · doi: 10.48550/arxiv.1410.7402 · pith_short_12: T7KK3AA3S6W4 · pith_short_16: T7KK3AA3S6W4HU5T · pith_short_8: T7KK3AA3

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/T7KK3AA3S6W4HU5TBNN7LRAM2I \
  | 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: 9fd4ad801b97adc3d3b30b5bf5c40cd230e68771f9910d0670e8b53822ed2906

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddfdec726ffb32052f093cc27a8b5d31749a99f363e32ef31113db86a3b9c15a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-10-27T20:00:25Z",
    "title_canon_sha256": "d32bdc8b786243decf759e582b8b268c4ce1250714ec28b79cdbf693aac71306"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.7402",
    "kind": "arxiv",
    "version": 1
  }
}