Pith Number

pith:567PU7A5

pith:1993:567PU7A5PLT7DXHCIB2I5MX34C

not attested not anchored not stored refs pending

Subclustering and Luminous-Dark Matter Segregation in Galaxy Clusters

A. Serna, H. Scholl, J.M. Alimi

arxiv:astro-ph/9310014 v1 · 1993-10-06 · 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{567PU7A5PLT7DXHCIB2I5MX34C}

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	2026-07-04T15:55:08.266084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efbefa7c1d7ae7f1dce240748eb2fbe081c2d7bd10eb05be4ceccb839849d09e

Aliases

arxiv: astro-ph/9310014 · arxiv_version: astro-ph/9310014v1 · doi: 10.48550/arxiv.astro-ph/9310014 · pith_short_12: 567PU7A5PLT7 · pith_short_16: 567PU7A5PLT7DXHC · pith_short_8: 567PU7A5

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/567PU7A5PLT7DXHCIB2I5MX34C \
  | 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: efbefa7c1d7ae7f1dce240748eb2fbe081c2d7bd10eb05be4ceccb839849d09e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64933ecc8f94b12f53421a14b23afbdd50aeef5fcca501d7bf0bde59d61c80f0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1993-10-06T14:41:37Z",
    "title_canon_sha256": "04c8ae9ece9227f16341adbb5d5582f7b1f800af7d41fc80c30704f9af8ef406"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9310014",
    "kind": "arxiv",
    "version": 1
  }
}