Pith Number

pith:2YM4ABOS

pith:1999:2YM4ABOSJXT3CFQLCRRPFRLPWZ

not attested not anchored not stored refs pending

The Dynamical Evolution of Galaxies in Clusters

John Dubinski (CITA)

arxiv:astro-ph/9902331 v1 · 1999-02-23 · 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{2YM4ABOSJXT3CFQLCRRPFRLPWZ}

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	2026-07-04T14:16:34.706406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d619c005d24de7b1160b1462f2c56fb675b462ef305687aff64e4cb8576b2202

Aliases

arxiv: astro-ph/9902331 · arxiv_version: astro-ph/9902331v1 · doi: 10.48550/arxiv.astro-ph/9902331 · pith_short_12: 2YM4ABOSJXT3 · pith_short_16: 2YM4ABOSJXT3CFQL · pith_short_8: 2YM4ABOS

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/2YM4ABOSJXT3CFQLCRRPFRLPWZ \
  | 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: d619c005d24de7b1160b1462f2c56fb675b462ef305687aff64e4cb8576b2202

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a89bbc23f6cf5d91240d9caa2bd8bef8b4c2b05eec6f95d3069fd5d95ceb5f1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-02-23T17:53:34Z",
    "title_canon_sha256": "b819f21b1c3511ab05642d35cae249c74f0e65495d9d05897d998f13ef3947c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9902331",
    "kind": "arxiv",
    "version": 1
  }
}