Pith Number

pith:BZBVQY24

pith:2009:BZBVQY24MBMJLFH3KJHICIY7H2

not attested not anchored not stored refs pending

Preheating and the non-gaussianity of the curvature perturbation

Cesar A. Valenzuela-Toledo, David H. Lyth, Kazunori Kohri

arxiv:0904.0793 v4 · 2009-04-06 · hep-ph · astro-ph.CO · 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{BZBVQY24MBMJLFH3KJHICIY7H2}

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.

Receipt and verification

First computed	2026-05-18T04:26:43.857707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e4358635c60589594fb524e81231f3ea2f5cf28fc16b70ff5d2822bd393b4be

Aliases

arxiv: 0904.0793 · arxiv_version: 0904.0793v4 · doi: 10.48550/arxiv.0904.0793 · pith_short_12: BZBVQY24MBMJ · pith_short_16: BZBVQY24MBMJLFH3 · pith_short_8: BZBVQY24

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/BZBVQY24MBMJLFH3KJHICIY7H2 \
  | 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: 0e4358635c60589594fb524e81231f3ea2f5cf28fc16b70ff5d2822bd393b4be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19f0485ea47438a9cb85e81b5b9908e0f60275143dfc14a3adc1f5fc8680125b",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-04-06T17:31:42Z",
    "title_canon_sha256": "d350f4e3abe29379a25b665d49381358f7e4bd489f6a86d58a5e734d3c47007d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0793",
    "kind": "arxiv",
    "version": 4
  }
}