Pith Number

pith:6OA4TXDR

pith:2012:6OA4TXDRIN2MKMVBRPDIYX5JZJ

not attested not anchored not stored refs pending

Primordial seeds of supermassive black holes

Alexander Kusenko, Masahiro Kawasaki, Tsutomu T. Yanagida

arxiv:1202.3848 v2 · 2012-02-17 · astro-ph.CO · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6OA4TXDRIN2MKMVBRPDIYX5JZJ}

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

6 papers in Pith

Blue-tilted Runnings and the JWST Early Galaxy Tension

Direct Collapse Black Hole Candidates from Decaying Dark Matter

The Magnetic Origin of Primordial Black Holes: Ultralight PBHs and Secondary GWs

Smoluchowski Coagulation Equation and the Evolution of Primordial Black Hole Clusters

Constraints on the Primordial Black Hole Abundance using Pulsar Parameter Drifts

Receipt and verification

First computed	2026-05-18T03:58:02.873682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f381c9dc714374c532a18bc68c5fa9ca6a6e24918762c2c671ee064baec30863

Aliases

arxiv: 1202.3848 · arxiv_version: 1202.3848v2 · doi: 10.48550/arxiv.1202.3848 · pith_short_12: 6OA4TXDRIN2M · pith_short_16: 6OA4TXDRIN2MKMVB · pith_short_8: 6OA4TXDR

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/6OA4TXDRIN2MKMVBRPDIYX5JZJ \
  | 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: f381c9dc714374c532a18bc68c5fa9ca6a6e24918762c2c671ee064baec30863

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3edc9121554ce425231a9414dcb2899db3a2133ac4766f239c6f328fe87f1870",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-17T07:44:40Z",
    "title_canon_sha256": "dcd0e29d3813757c71bcc59fd22f92093b3aff995c42029708cc9233de10d8fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3848",
    "kind": "arxiv",
    "version": 2
  }
}