Pith Number

pith:MZ4ONGGE

pith:2012:MZ4ONGGELAH5TJ35V567PGCOTR

not attested not anchored not stored refs pending

A Catalog of Extended Clusters and Ultra-Compact Dwarf Galaxies - An Analysis of their Parameters in Early- and Late-Type Galaxies

P. Kroupa, R.C. Bruens

arxiv:1209.4353 v1 · 2012-09-19 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MZ4ONGGELAH5TJ35V567PGCOTR}

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	2026-05-18T01:54:20.926195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6678e698c4580fd9a77daf7df7984e9c6e8041784cc4cfc40899424cb4a97f8e

Aliases

arxiv: 1209.4353 · arxiv_version: 1209.4353v1 · doi: 10.48550/arxiv.1209.4353 · pith_short_12: MZ4ONGGELAH5 · pith_short_16: MZ4ONGGELAH5TJ35 · pith_short_8: MZ4ONGGE

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/MZ4ONGGELAH5TJ35V567PGCOTR \
  | 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: 6678e698c4580fd9a77daf7df7984e9c6e8041784cc4cfc40899424cb4a97f8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0603215ab08512fd84545c64b0b0d9da92cb770c5544b100b300e2beacc4081a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-19T20:00:02Z",
    "title_canon_sha256": "00f6a278514f5eca58e456deac2a0cf8712b70ff5f94c06344b3f9dc6a93dced"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4353",
    "kind": "arxiv",
    "version": 1
  }
}