Pith Number

pith:2UAPLWF7

pith:2026:2UAPLWF7ZCC3HSLIQTOQJTK2CB

not attested not anchored not stored refs pending

Identification of low redshift groups and clusters of galaxies in the X-CLASS survey and the X-ray luminosity-temperature relation

A. Khalikova, B. Altieri, C. Adami, D. Coia, E. Drigga, E. Gaynullina, E. Koulouridis, F. Sarron, G. Soucail, I. Valtchanov, J. Comparat, K. Migkas, L. Paquereau, M. Chira, M. Molham, N. Clerc, Q. Moysan, R. Cabanac, T. Sadibekova

arxiv:2603.23195 v1 · 2026-03-24 · astro-ph.CO · 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{2UAPLWF7ZCC3HSLIQTOQJTK2CB}

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	2026-06-03T14:05:46.885101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d500f5d8bfc885b3c96884dd04cd5a104e52ac085401720773aa8fe683f6d7a8

Aliases

arxiv: 2603.23195 · arxiv_version: 2603.23195v1 · doi: 10.48550/arxiv.2603.23195 · pith_short_12: 2UAPLWF7ZCC3 · pith_short_16: 2UAPLWF7ZCC3HSLI · pith_short_8: 2UAPLWF7

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/2UAPLWF7ZCC3HSLIQTOQJTK2CB \
  | 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: d500f5d8bfc885b3c96884dd04cd5a104e52ac085401720773aa8fe683f6d7a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "909287291af7cc3da401ac472383babe14c8397b6cbd61f800d105891cea4281",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-03-24T13:41:29Z",
    "title_canon_sha256": "fec07f50cad7ac5c89ac009122da9f7b9493bb1eb33cb6d95a01de3c54124d1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.23195",
    "kind": "arxiv",
    "version": 1
  }
}