Pith Number

pith:4OC7JQW6

pith:2000:4OC7JQW6PCQSHYTMPOEHFD5NDS

not attested not anchored not stored refs pending

Compact Stellar Systems in the Fornax Cluster: Super-massive Star Clusters or Extremely Compact Dwarf Galaxies?

J. B. Jones, M. D. Gregg, M. J. Drinkwater, S. Phillipps

arxiv:astro-ph/0002003 v1 · 2000-02-01 · 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{4OC7JQW6PCQSHYTMPOEHFD5NDS}

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	2026-05-18T01:40:48.361821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e385f4c2de78a123e26c7b88728fad1cbeb0cb215be47af5e227471ca763c220

Aliases

arxiv: astro-ph/0002003 · arxiv_version: astro-ph/0002003v1 · doi: 10.48550/arxiv.astro-ph/0002003 · pith_short_12: 4OC7JQW6PCQS · pith_short_16: 4OC7JQW6PCQSHYTM · pith_short_8: 4OC7JQW6

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/4OC7JQW6PCQSHYTMPOEHFD5NDS \
  | 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: e385f4c2de78a123e26c7b88728fad1cbeb0cb215be47af5e227471ca763c220

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bd56d6a81de4d92e09500759206a483fd4cd8a049e22eb71f84367f3727bffc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-02-01T00:04:11Z",
    "title_canon_sha256": "6b96aed6a1488cdc0f714561fe3ea3d3491c89b218ad48aa9452b8d82d814bbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0002003",
    "kind": "arxiv",
    "version": 1
  }
}