Pith Number

pith:UDRFIXNX

pith:2017:UDRFIXNXHLWPILCGG22Y5LZSWU

not attested not anchored not stored refs pending

An intermediate-mass black hole in the centre of the globular cluster 47 Tucanae

Abraham Loeb, B\"ulent K{\i}z{\i}ltan, Holger Baumgardt

arxiv:1702.02149 v2 · 2017-02-07 · astro-ph.GA · astro-ph.IM · astro-ph.SR · stat.AP

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UDRFIXNXHLWPILCGG22Y5LZSWU}

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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	2026-05-18T00:44:51.622874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0e2545db73aecf42c4636b58eaf32b53dc1eff036c3a55c433e14b5fe87a918

Aliases

arxiv: 1702.02149 · arxiv_version: 1702.02149v2 · doi: 10.48550/arxiv.1702.02149 · pith_short_12: UDRFIXNXHLWP · pith_short_16: UDRFIXNXHLWPILCG · pith_short_8: UDRFIXNX

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/UDRFIXNXHLWPILCGG22Y5LZSWU \
  | 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: a0e2545db73aecf42c4636b58eaf32b53dc1eff036c3a55c433e14b5fe87a918

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e52b0a004a477eb28a9a478ee670e54029ed6f95e6b3c12a75d20f79d375a22c",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-02-07T19:00:00Z",
    "title_canon_sha256": "e8dc3aef192161c9cf6720104df91d5721a22f4876ff5b9c97f13eed70542fb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02149",
    "kind": "arxiv",
    "version": 2
  }
}