Pith Number

pith:WP2QH5VU

pith:2002:WP2QH5VU2XABE2T3SXHEORC7SZ

not attested not anchored not stored refs pending

Double Starbursts Triggered by Mergers in Hierarchical Clustering Scenarios

A. Saiz, C. Scannapieco, P. B. Tissera, R. Dominguez-Tenreiro

arxiv:astro-ph/0202160 v1 · 2002-02-07 · 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{WP2QH5VU2XABE2T3SXHEORC7SZ}

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	2026-07-04T16:29:22.821006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3f503f6b4d5c0126a7b95ce47445f96647b25a4ca3696d31a389ee6afbe0ebb

Aliases

arxiv: astro-ph/0202160 · arxiv_version: astro-ph/0202160v1 · doi: 10.48550/arxiv.astro-ph/0202160 · pith_short_12: WP2QH5VU2XAB · pith_short_16: WP2QH5VU2XABE2T3 · pith_short_8: WP2QH5VU

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/WP2QH5VU2XABE2T3SXHEORC7SZ \
  | 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: b3f503f6b4d5c0126a7b95ce47445f96647b25a4ca3696d31a389ee6afbe0ebb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb4db700c4e79a54983d434d624d356ef28997f899566c6a56b47d3b6bd1e106",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-02-07T19:20:27Z",
    "title_canon_sha256": "815b0dea6894c274b1f263963235bdd4d600a4a02a844b0c5c917843692df999"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0202160",
    "kind": "arxiv",
    "version": 1
  }
}