Pith Number

pith:W6SNE2XA

pith:2006:W6SNE2XAMH4GLDZBR6JDI7YIEV

not attested not anchored not stored refs pending

A "super" star cluster grown old: the most massive star cluster in the Local Group

Chinese Academy of Sciences; (2) Department of Physics & Astronomy, J. Chen, J. Ma (1), J.Wu (1) ((1)National Astronomical Observatories, R. de Grijs (2), The University of Sheffield), X. Zhou, Y. Yang (1), Z. Jiang, Z. Wu

arxiv:astro-ph/0602608 v1 · 2006-02-28 · 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{W6SNE2XAMH4GLDZBR6JDI7YIEV}

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	2026-07-04T16:58:03.289590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7a4d26ae061f8658f218f92347f08254126c3dcb1fa9355309466c2d0bee57e

Aliases

arxiv: astro-ph/0602608 · arxiv_version: astro-ph/0602608v1 · doi: 10.48550/arxiv.astro-ph/0602608 · pith_short_12: W6SNE2XAMH4G · pith_short_16: W6SNE2XAMH4GLDZB · pith_short_8: W6SNE2XA

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/W6SNE2XAMH4GLDZBR6JDI7YIEV \
  | 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: b7a4d26ae061f8658f218f92347f08254126c3dcb1fa9355309466c2d0bee57e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44ea68a33763948f8ae28049e31cd711464f6c87c128b51be2a91436a4b99664",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-02-28T01:35:52Z",
    "title_canon_sha256": "dcf61033e12979eb63c6fb92a45416ce9b3da197c42e1064f4e68f054f4cb578"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0602608",
    "kind": "arxiv",
    "version": 1
  }
}