Pith Number

pith:WIZF5AL3

pith:2004:WIZF5AL36E3Z4YE5GSWKVRUAJ7

not attested not anchored not stored refs pending

Supermassive black holes from primordial black hole seeds

Norbert Duechting

arxiv:astro-ph/0406260 v2 · 2004-06-10 · 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{WIZF5AL36E3Z4YE5GSWKVRUAJ7}

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

3 papers in Pith

Memoirs of the curvaton: non-perturbative non-Gaussianity and supermassive primordial black holes

Exploring Gravitational Wave Signatures Due to Primordial Non-gaussianity and Large Scale Structure Using SKAO

Smoluchowski Coagulation Equation and the Evolution of Primordial Black Hole Clusters

Receipt and verification

First computed	2026-07-04T14:13:31.328700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2325e817bf1379e609d34acaac6804fe3e5235e3d1592502eb2deaffec6093b

Aliases

arxiv: astro-ph/0406260 · arxiv_version: astro-ph/0406260v2 · doi: 10.48550/arxiv.astro-ph/0406260 · pith_short_12: WIZF5AL36E3Z · pith_short_16: WIZF5AL36E3Z4YE5 · pith_short_8: WIZF5AL3

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/WIZF5AL36E3Z4YE5GSWKVRUAJ7 \
  | 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: b2325e817bf1379e609d34acaac6804fe3e5235e3d1592502eb2deaffec6093b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e4f1a8b18b99b0d8b2cde627de80e05b95869243af02263bf30988827f9ce12",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-06-10T05:43:57Z",
    "title_canon_sha256": "1f80f362d604349d77b541bf2959995bb58854754c84c9190ad04f3f1e882728"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0406260",
    "kind": "arxiv",
    "version": 2
  }
}