Pith Number

pith:U3YBTF54

pith:2021:U3YBTF54MEEP55ZTWD5XTOFWHZ

not attested not anchored not stored refs pending

Primordial Black Holes from CDM Isocurvature Perturbations

Misao Sasaki, Samuel Passaglia

arxiv:2109.12824 v2 · 2021-09-27 · astro-ph.CO · 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{U3YBTF54MEEP55ZTWD5XTOFWHZ}

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

4 papers in Pith

Primordial black hole formation in bulk-viscous cosmology

Stochastic Gravitational Waves from Modulated Reheating

Isocurvature Induced Gravitational Waves at Pulsar Timing Arrays

Cosmological long-wavelength solutions in non-adiabatic multi-fluid systems

Receipt and verification

First computed	2026-07-05T04:25:46.081683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6f01997bc6108fef733b0fb79b8b63e482bcb9964b5320d976094da245f29cc

Aliases

arxiv: 2109.12824 · arxiv_version: 2109.12824v2 · doi: 10.48550/arxiv.2109.12824 · pith_short_12: U3YBTF54MEEP · pith_short_16: U3YBTF54MEEP55ZT · pith_short_8: U3YBTF54

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/U3YBTF54MEEP55ZTWD5XTOFWHZ \
  | 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: a6f01997bc6108fef733b0fb79b8b63e482bcb9964b5320d976094da245f29cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e89ab12638b5944c2cb4713846f873fdd625bbf373b6bee26933ad53592b757",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-09-27T06:47:01Z",
    "title_canon_sha256": "16947299a413e9cba551b8e3c19e3dd823eb0472ae13f57f607a72c885a2245d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.12824",
    "kind": "arxiv",
    "version": 2
  }
}