Pith Number

pith:VRLUIXFQ

pith:2025:VRLUIXFQNKJ76KAOB5RLB5JJ3U

not attested not anchored not stored refs pending

Sub-Horizon Amplification of Curvature Perturbations: A New Route to Primordial Black Holes and Gravitational Waves

Arnab Sarkar, Debottam Nandi (CCSP, Rohan Roy, SGT University), Simran Yadav

arxiv:2504.16059 v1 · 2025-04-22 · astro-ph.CO · gr-qc · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VRLUIXFQNKJ76KAOB5RLB5JJ3U}

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

1 paper in Pith

Primordial Black Hole Formation in Rastall Gravity: Shifted Collapse Threshold and Exponential Abundance Sensitivity

Receipt and verification

First computed	2026-07-05T10:52:34.783206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac57445cb06a93ff280e0f62b0f529dd277e6f17890ee278c78609f2a14cca5a

Aliases

arxiv: 2504.16059 · arxiv_version: 2504.16059v1 · doi: 10.48550/arxiv.2504.16059 · pith_short_12: VRLUIXFQNKJ7 · pith_short_16: VRLUIXFQNKJ76KAO · pith_short_8: VRLUIXFQ

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/VRLUIXFQNKJ76KAOB5RLB5JJ3U \
  | 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: ac57445cb06a93ff280e0f62b0f529dd277e6f17890ee278c78609f2a14cca5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93fa56dd431507f5ebace6f05eccd538b734a33bb00f89ba4f3014a5b7d992c0",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-04-22T17:36:01Z",
    "title_canon_sha256": "42aee91ec032b5b201f4894f46f80809050ceadd0218d3d3c58a277150b08ffc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.16059",
    "kind": "arxiv",
    "version": 1
  }
}