Pith Number

pith:TN6RCPOU

pith:2005:TN6RCPOUCE5EWWZVFQYECQYJNB

not attested not anchored not stored refs pending

Measuring the Three-Dimensional Structure of Galaxy Clusters. I. Application to a Sample of 25 Clusters

3, 4), 4) ((1) MIT; (2) INAF-OAC; (3) Universita' di Napoli Federico II, E. De Filippis (1), G. Longo (3, Italy), Italy; (4) INFN Napoli, M. Sereno (2, M.W.Bautz (1)

arxiv:astro-ph/0502153 v1 · 2005-02-08 · 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{TN6RCPOUCE5EWWZVFQYECQYJNB}

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	2026-05-18T04:18:14.384261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b7d113dd4113a4b5b352c3041430968581001c666f5f24e221ab2ba1540a765

Aliases

arxiv: astro-ph/0502153 · arxiv_version: astro-ph/0502153v1 · doi: 10.48550/arxiv.astro-ph/0502153 · pith_short_12: TN6RCPOUCE5E · pith_short_16: TN6RCPOUCE5EWWZV · pith_short_8: TN6RCPOU

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/TN6RCPOUCE5EWWZVFQYECQYJNB \
  | 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: 9b7d113dd4113a4b5b352c3041430968581001c666f5f24e221ab2ba1540a765

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95606ee83b86cc69b11f487fdf897bc58cc521044ec8fe9621f1e97378474248",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-02-08T01:33:12Z",
    "title_canon_sha256": "f95881ac29e5a70025d9a59138cba629d5b8018acd1214ab31bd08d638fe63c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502153",
    "kind": "arxiv",
    "version": 1
  }
}