Pith Number

pith:Q22D7PWA

pith:2003:Q22D7PWAUT4W3P2KLHSH5SNXPM

not attested not anchored not stored refs pending

The Dark Matter Distribution in the Central Regions of Galaxy Clusters: Implications for CDM

David J. Sand, Graham P. Smith, Richard S. Ellis (Caltech), Tommaso Treu

arxiv:astro-ph/0309465 v2 · 2003-09-17 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q22D7PWAUT4W3P2KLHSH5SNXPM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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.

Cited by

1 paper in Pith

A metric solution for rotating black holes embedded in dark matter halos with central spikes

Receipt and verification

First computed	2026-05-18T01:40:38.212070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86b43fbec0a4f96dbf4a59e47ec9b77b22232b22890eb37a42f9ff5cf9ad8551

Aliases

arxiv: astro-ph/0309465 · arxiv_version: astro-ph/0309465v2 · doi: 10.48550/arxiv.astro-ph/0309465 · pith_short_12: Q22D7PWAUT4W · pith_short_16: Q22D7PWAUT4W3P2K · pith_short_8: Q22D7PWA

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/Q22D7PWAUT4W3P2KLHSH5SNXPM \
  | 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: 86b43fbec0a4f96dbf4a59e47ec9b77b22232b22890eb37a42f9ff5cf9ad8551

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42b9629a98ff2d9461a242204c1c73069a40457c04553115d5984d72c45f6faf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-09-17T07:32:36Z",
    "title_canon_sha256": "c7ff6c4783a4d187d8ccef9be65e94c977e34bc14487bacd489976d0dc443856"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0309465",
    "kind": "arxiv",
    "version": 2
  }
}