Pith Number

pith:QBNP3XN5

pith:2004:QBNP3XN56CF4UOJ3AEX7Z43SSD

not attested not anchored not stored refs pending

Gravitational Waves from Supermassive Black Hole Coalescence in a Hierarchical Galaxy Formation Model

Kaiki T. Inoue, Masahiro Nagashima, Motohiro Enoki, Naoshi Sugiyama

arxiv:astro-ph/0404389 v2 · 2004-04-20 · astro-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QBNP3XN56CF4UOJ3AEX7Z43SSD}

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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

5 papers in Pith

Population statistics of nanohertz gravitational wave sources

Comparing gravitational wave background predictions from cosmological simulations to pulsar timing observations

Dynamics and detectability of long-lived non-accretion phases for massive black hole binaries in cold, thermally regulating disks

Investigating the Spectral Properties of Dual Nuclei in Galaxy Mergers from the GOTHIC survey: Supermassive Black Hole Growth, metal enrichment and Dual AGN

Probing Supermassive Black Hole Mergers with Pulsar Timing Arrays

Receipt and verification

First computed	2026-07-04T16:43:36.640432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

805afdddbdf08bca393b012ffcf37290e73e55d783bace2e3d063a36fee82956

Aliases

arxiv: astro-ph/0404389 · arxiv_version: astro-ph/0404389v2 · doi: 10.48550/arxiv.astro-ph/0404389 · pith_short_12: QBNP3XN56CF4 · pith_short_16: QBNP3XN56CF4UOJ3 · pith_short_8: QBNP3XN5

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/QBNP3XN56CF4UOJ3AEX7Z43SSD \
  | 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: 805afdddbdf08bca393b012ffcf37290e73e55d783bace2e3d063a36fee82956

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bc68620205d380bc470bab52dc692d153c9e406549dbac08dd43ccb5a91732f",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-04-20T18:09:29Z",
    "title_canon_sha256": "d70973368972d0a5eb44467bc5ba50f3119b26e9101912247a8090a5974005d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0404389",
    "kind": "arxiv",
    "version": 2
  }
}