Pith Number

pith:4WPFFRRO

pith:2007:4WPFFRROW53J4KA4BURYIOHPJQ

not attested not anchored not stored refs pending

A black hole in a globular cluster

Stephen E. Zepf (Michigan State University) Katherine L. Rhode (Wesleyan University, Thomas J. Maccarone (University of Southampton) Arunav Kundu, Yale University)

arxiv:astro-ph/0701310 v1 · 2007-01-10 · 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{4WPFFRROW53J4KA4BURYIOHPJQ}

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.

Cited by

1 paper in Pith

How lonely are the Binary Compact Objects Detected by the LIGO-Virgo-KAGRA Collaboration?

Receipt and verification

First computed	2026-05-18T04:15:27.484147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e59e52c62eb7769e281c0d238438ef4c1655e245436fb5dc066201f03075f1ff

Aliases

arxiv: astro-ph/0701310 · arxiv_version: astro-ph/0701310v1 · doi: 10.48550/arxiv.astro-ph/0701310 · pith_short_12: 4WPFFRROW53J · pith_short_16: 4WPFFRROW53J4KA4 · pith_short_8: 4WPFFRRO

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/4WPFFRROW53J4KA4BURYIOHPJQ \
  | 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: e59e52c62eb7769e281c0d238438ef4c1655e245436fb5dc066201f03075f1ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4290ce55ab3f022b82ff7edd58fcad9e27822be683a0c9243b76c8f88ec0e5f7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-10T19:46:52Z",
    "title_canon_sha256": "1b3e866eeafc1678222fee04ca6445007869a9449c72e7f5bd092c41cb194c60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701310",
    "kind": "arxiv",
    "version": 1
  }
}