Pith Number

pith:JNQNHP35

pith:2006:JNQNHP35JMJXXJCIHK7TT4CFNW

not attested not anchored not stored refs pending

The core radius of a star cluster containing a massive black hole

Douglas C. Heggie, Holger Baumgardt, Jun Makino, Piet Hut, Shin Mineshige

arxiv:astro-ph/0611950 v2 · 2006-11-30 · 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{JNQNHP35JMJXXJCIHK7TT4CFNW}

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	2026-05-18T01:40:28.601885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b60d3bf7d4b137ba4483abf39f0456d8bcf4cfdcade47b8e781c88a836b9962

Aliases

arxiv: astro-ph/0611950 · arxiv_version: astro-ph/0611950v2 · doi: 10.48550/arxiv.astro-ph/0611950 · pith_short_12: JNQNHP35JMJX · pith_short_16: JNQNHP35JMJXXJCI · pith_short_8: JNQNHP35

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/JNQNHP35JMJXXJCIHK7TT4CFNW \
  | 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: 4b60d3bf7d4b137ba4483abf39f0456d8bcf4cfdcade47b8e781c88a836b9962

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5034a03c155894765f52f1a05a9513b2abffa75bf5545a36f1d82cf903dbfe17",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-11-30T17:01:17Z",
    "title_canon_sha256": "3bc405d82581550cd732952ad55a5172d86829470225603046557d3a2bbef1ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0611950",
    "kind": "arxiv",
    "version": 2
  }
}