Pith Number

pith:J25PVER2

pith:2003:J25PVER2AGNZXCOPLSJ22K5L2Q

not attested not anchored not stored refs pending

Chandra X-ray analysis of the massive high-redshift galaxy clusters ClJ1113.1-2615 and ClJ0152.7-1357

(2) Institute for Astronomy, (3) Joint Centre for Astrophysics, 4), (4) Johns Hopkins University, (5) ESO, B. J. Maughan (1), C. Frye (3), C. R. Mullis (5) ((1) University of Birmingham, E. Perlman (3, Germany), H. Ebeling (2), L. R. Jones (1), P. Rosati (5), UK, USA

arxiv:astro-ph/0301218 v4 · 2003-01-13 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J25PVER2AGNZXCOPLSJ22K5L2Q}

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	2026-05-18T01:07:33.964799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ebafa923a019b9b89cf5c93ad2babd41068bc36918e2069b99b8d0f1f9d70f5

Aliases

arxiv: astro-ph/0301218 · arxiv_version: astro-ph/0301218v4 · doi: 10.48550/arxiv.astro-ph/0301218 · pith_short_12: J25PVER2AGNZ · pith_short_16: J25PVER2AGNZXCOP · pith_short_8: J25PVER2

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/J25PVER2AGNZXCOPLSJ22K5L2Q \
  | 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: 4ebafa923a019b9b89cf5c93ad2babd41068bc36918e2069b99b8d0f1f9d70f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ce1bf5d8f55e894f428d8c5dc694ed9a0f82bf437d67a50e7e6c65cadd78fb6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-01-13T16:52:25Z",
    "title_canon_sha256": "5751e2bcd41a1cb57b682b4c41926bac560c568a2d9f362cd7cca38fc0d92482"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0301218",
    "kind": "arxiv",
    "version": 4
  }
}