Pith Number

pith:KWUCD3DW

pith:2010:KWUCD3DWN4NWPTN2HBXGBQZSO4

not attested not anchored not stored refs pending

Nuclear Star Clusters and Black Holes

Andrew Stephens, Anil Seth, Knut Olsen, Michele Cappellari, Nadine Neumayer, Nate Bastian, Nelson Caldwell, Richard McDermid, Robert Blum, Thomas Puzia, Victor Debattista

arxiv:1002.0824 v1 · 2010-02-03 · astro-ph.CO · 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{KWUCD3DWN4NWPTN2HBXGBQZSO4}

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	2026-05-18T02:09:20.030267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55a821ec766f1b67cdba386e60c332773df31c5139947deacf2274211d413305

Aliases

arxiv: 1002.0824 · arxiv_version: 1002.0824v1 · doi: 10.48550/arxiv.1002.0824 · pith_short_12: KWUCD3DWN4NW · pith_short_16: KWUCD3DWN4NWPTN2 · pith_short_8: KWUCD3DW

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/KWUCD3DWN4NWPTN2HBXGBQZSO4 \
  | 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: 55a821ec766f1b67cdba386e60c332773df31c5139947deacf2274211d413305

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f69c28e68ef4a20894c89c9e62e66a6416c9efe11fc3c32710b196c5058b651",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-03T19:42:02Z",
    "title_canon_sha256": "96ecd9b3a9d412f948e56b85115cc3e2f5e5e3d4b2bd282a4e166b9bad76b088"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0824",
    "kind": "arxiv",
    "version": 1
  }
}