Pith Number

pith:NZZKH2M5

pith:2019:NZZKH2M53XLAMPHBLPHGACLDK6

not attested not anchored not stored refs pending

A 10,000-solar-mass black hole in the nucleus of a bulgeless dwarf galaxy

Donghoon Son, Edmund Hodges-Kluck, Elena Gallo, Hojin Cho, Huynh Anh Le, Jaejin Shin, John C. Horst, Jong-Hak Woo

arxiv:1905.00145 v2 · 2019-05-01 · 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{NZZKH2M53XLAMPHBLPHGACLDK6}

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

Predicting intermediate-mass black hole formation in star clusters with machine learning

Receipt and verification

First computed	2026-05-17T23:43:27.655786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e72a3e99dddd6063ce15bce60096357b8d3b62a99df7debe4be4c127b7ca7bb

Aliases

arxiv: 1905.00145 · arxiv_version: 1905.00145v2 · doi: 10.48550/arxiv.1905.00145 · pith_short_12: NZZKH2M53XLA · pith_short_16: NZZKH2M53XLAMPHB · pith_short_8: NZZKH2M5

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/NZZKH2M53XLAMPHBLPHGACLDK6 \
  | 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: 6e72a3e99dddd6063ce15bce60096357b8d3b62a99df7debe4be4c127b7ca7bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36941c7d21dfe2b88a9db6bd4078341c705eb425bf02d6ef4c451b520af50235",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-01T00:57:11Z",
    "title_canon_sha256": "0af694908818120f3aa7ff5d37d11d0504fbc3380ec1668d08ab66c9f7f2a73d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00145",
    "kind": "arxiv",
    "version": 2
  }
}