Pith Number

pith:IARACYTZ

pith:2010:IARACYTZASUVC2WCQLPG74MKWD

not attested not anchored not stored refs pending

The Massive Galaxy Cluster XMMU J1230.3+1339 at z ~ 1: Colour-magnitude relation, Butcher-Oemler effect, X-ray and weak lensing mass estimates

A. Finoguenov, D. Pierini, F. Brimioulle, H. B\"ohringer, H. Quintana, M. Kilbinger, M. Lerchster, M. Rovilos, R. Bender, R. Fassbender, S. Seitz

arxiv:1009.3930 v1 · 2010-09-20 · 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{IARACYTZASUVC2WCQLPG74MKWD}

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	2026-05-18T02:05:19.537126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

402201627904a9516ac282de6ff18ab0eb891720057a2d89188632033152dd97

Aliases

arxiv: 1009.3930 · arxiv_version: 1009.3930v1 · doi: 10.48550/arxiv.1009.3930 · pith_short_12: IARACYTZASUV · pith_short_16: IARACYTZASUVC2WC · pith_short_8: IARACYTZ

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/IARACYTZASUVC2WCQLPG74MKWD \
  | 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: 402201627904a9516ac282de6ff18ab0eb891720057a2d89188632033152dd97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3097a4be43aece3d1f7f6f9d46a1ffb67ea84513394894fc821630de13048c1a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-09-20T20:00:03Z",
    "title_canon_sha256": "1fd9a099df3255d96d84e5687b3362d5b9b5f2923ae910aa98750a022940a0ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.3930",
    "kind": "arxiv",
    "version": 1
  }
}