Pith Number

pith:ZGWYZK2D

pith:2013:ZGWYZK2D3RDX52UBSQ4IFK6AVV

not attested not anchored not stored refs pending

Kinematic analysis of a sample of X-ray luminous distant galaxy clusters. The $L_X$ - $\sigma_v$ relation in the $z>0.6$ universe

Alessandro Nastasi, Arjen de Hoon, Axel D. Schwope, Gabriel W. Pratt, Georg Lamer, Hans B\"ohringer, Hernan Quintana, Joana S. Santos, Joseph J. Mohr, Miguel Verdugo, Nelson Padilla, Piero Rosati, Rene Fassbender, Robert \v{S}uhada

arxiv:1311.4879 v2 · 2013-11-19 · 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{ZGWYZK2D3RDX52UBSQ4IFK6AVV}

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	2026-05-18T01:46:22.834608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9ad8cab43dc477eea81943882abc0ad7752e732b41ee4caac43ad59ee7515cd

Aliases

arxiv: 1311.4879 · arxiv_version: 1311.4879v2 · doi: 10.48550/arxiv.1311.4879 · pith_short_12: ZGWYZK2D3RDX · pith_short_16: ZGWYZK2D3RDX52UB · pith_short_8: ZGWYZK2D

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/ZGWYZK2D3RDX52UBSQ4IFK6AVV \
  | 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: c9ad8cab43dc477eea81943882abc0ad7752e732b41ee4caac43ad59ee7515cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "334402ea0e3f162e86e916fcbaf9cc9ab03c1307d15d4bf09b4095b08bc1dfd0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-11-19T21:00:00Z",
    "title_canon_sha256": "5d7e13c9b9c24931c33e389c5f783e28f1efd7773be3ee82d845429a1e0d5107"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4879",
    "kind": "arxiv",
    "version": 2
  }
}