Pith Number

pith:NZI4VTHV

pith:2010:NZI4VTHVP7J6PSVUGF72TO5PYB

not attested not anchored not stored refs pending

A new globular cluster black hole in NGC 4472

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

arxiv:1008.2896 v1 · 2010-08-17 · astro-ph.HE · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NZI4VTHVP7J6PSVUGF72TO5PYB}

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	2026-05-18T02:05:47.496848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e51caccf57fd3e7cab4317fa9bbafc05c58ccfdb73a6dfe829287ff93110a72

Aliases

arxiv: 1008.2896 · arxiv_version: 1008.2896v1 · doi: 10.48550/arxiv.1008.2896 · pith_short_12: NZI4VTHVP7J6 · pith_short_16: NZI4VTHVP7J6PSVU · pith_short_8: NZI4VTHV

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/NZI4VTHVP7J6PSVUGF72TO5PYB \
  | 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: 6e51caccf57fd3e7cab4317fa9bbafc05c58ccfdb73a6dfe829287ff93110a72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba85f636ee42acbe97660e40de3b8660924d66c85c1918700ffed01f5a3d74b3",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-08-17T13:41:57Z",
    "title_canon_sha256": "26ba5d4897be4c429ccf4acbbda2eadb6804932b4672d69f36b1457d5e2621b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2896",
    "kind": "arxiv",
    "version": 1
  }
}