Pith Number

pith:3XEJZ5WF

pith:2019:3XEJZ5WFMEBPXPL6MBXGIKXZBB

not attested not anchored not stored refs pending

On the primordial specific frequency of globular clusters in dwarf and giant elliptical galaxies

Ahmed H. Abdullah (Baghdad), Patrick Lieberz (Bonn), Pavel Kroupa (Bonn, Prague), Rosa Amelia Gonzalez-Lopezlira (UNAM)

arxiv:1905.02723 v2 · 2019-05-07 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3XEJZ5WFMEBPXPL6MBXGIKXZBB}

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	2026-05-17T23:46:25.508419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddc89cf6c56102fbbd7e606e642af908708f6c0a2dc9d17c15889fe516a1a9be

Aliases

arxiv: 1905.02723 · arxiv_version: 1905.02723v2 · doi: 10.48550/arxiv.1905.02723 · pith_short_12: 3XEJZ5WFMEBP · pith_short_16: 3XEJZ5WFMEBPXPL6 · pith_short_8: 3XEJZ5WF

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/3XEJZ5WFMEBPXPL6MBXGIKXZBB \
  | 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: ddc89cf6c56102fbbd7e606e642af908708f6c0a2dc9d17c15889fe516a1a9be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e7cb369be3033dfca00e547f664a8ab8fad5487b724921d2f2c81b127f29a64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-07T18:00:00Z",
    "title_canon_sha256": "16b3248e7ccacddaa4a86ac6138baa0c2b2be159c8f51614d43b2d4bad476874"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02723",
    "kind": "arxiv",
    "version": 2
  }
}