Pith Number

pith:NBFCOYPZ

pith:2009:NBFCOYPZ5Y7MIG3CKFSTKLKT4Q

not attested not anchored not stored refs pending

Extrapolating SMBH correlations down the mass scale: the case for IMBHs in globular clusters

Margarita Safonova, Prajval Shastri (Indian Institute of Astrophysics)

arxiv:0910.2551 v3 · 2009-10-14 · 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{NBFCOYPZ5Y7MIG3CKFSTKLKT4Q}

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	2026-05-18T02:34:18.927848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

684a2761f9ee3ec41b625165352d53e431d52d24e0d954b7ca195d5d7b2d21fd

Aliases

arxiv: 0910.2551 · arxiv_version: 0910.2551v3 · doi: 10.48550/arxiv.0910.2551 · pith_short_12: NBFCOYPZ5Y7M · pith_short_16: NBFCOYPZ5Y7MIG3C · pith_short_8: NBFCOYPZ

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/NBFCOYPZ5Y7MIG3CKFSTKLKT4Q \
  | 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: 684a2761f9ee3ec41b625165352d53e431d52d24e0d954b7ca195d5d7b2d21fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ce4b3cae3aeedcc722f3efeb46c2705147f0ef1cfea6d67906ec363391b3f11",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-10-14T09:29:30Z",
    "title_canon_sha256": "ce81744ecdffab88d8b6f985303bce64839a891e3f4247575bb4782d7b0a57ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2551",
    "kind": "arxiv",
    "version": 3
  }
}