Pith Number

pith:SZ2DZSOO

pith:2004:SZ2DZSOOTKOP2LJJP6CCQLSXYK

not attested not anchored not stored refs pending

On the conservation of second-order cosmological perturbations in a scalar field dominated universe

Filippo Vernizzi

arxiv:astro-ph/0411463 v3 · 2004-11-16 · astro-ph · 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{SZ2DZSOOTKOP2LJJP6CCQLSXYK}

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	2026-07-04T15:26:27.301296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96743cc9ce9a9cfd2d297f84282e57c2a08761dc000099476c762bba32fcea07

Aliases

arxiv: astro-ph/0411463 · arxiv_version: astro-ph/0411463v3 · doi: 10.48550/arxiv.astro-ph/0411463 · pith_short_12: SZ2DZSOOTKOP · pith_short_16: SZ2DZSOOTKOP2LJJ · pith_short_8: SZ2DZSOO

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/SZ2DZSOOTKOP2LJJP6CCQLSXYK \
  | 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: 96743cc9ce9a9cfd2d297f84282e57c2a08761dc000099476c762bba32fcea07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93d8a1821b807b88fe0df1bef2eff4c34af1c74f0c7bc24e94b106c466a8ec81",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-11-16T18:00:04Z",
    "title_canon_sha256": "c5fba6cdd43acb62bf97b73ff2a4817d3de1df2c7b5a7cb9707818a5d8d1b748"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0411463",
    "kind": "arxiv",
    "version": 3
  }
}