Pith Number

pith:7XLP7T7Q

pith:2006:7XLP7T7Q5DGHC2OXJ27GFPFXL2

not attested not anchored not stored refs pending

Nonlinear perturbations of cosmological scalar fields

David Langlois, Filippo Vernizzi

arxiv:astro-ph/0610064 v3 · 2006-10-03 · astro-ph · gr-qc · 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{7XLP7T7Q5DGHC2OXJ27GFPFXL2}

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	2026-05-18T04:38:37.283214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdd6ffcff0e8cc7169d74ebe62bcb75e9757354f6c2730251a1002726e6894f2

Aliases

arxiv: astro-ph/0610064 · arxiv_version: astro-ph/0610064v3 · doi: 10.48550/arxiv.astro-ph/0610064 · pith_short_12: 7XLP7T7Q5DGH · pith_short_16: 7XLP7T7Q5DGHC2OX · pith_short_8: 7XLP7T7Q

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/7XLP7T7Q5DGHC2OXJ27GFPFXL2 \
  | 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: fdd6ffcff0e8cc7169d74ebe62bcb75e9757354f6c2730251a1002726e6894f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb357ce87d7c0c59931bcae868d10e0754eb19faf65a2e4d4add18ae0677aa44",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-10-03T08:38:17Z",
    "title_canon_sha256": "0f7ce5ffce8f8f866c292c39e806ced9c467caf01374ca214ad98806b2014002"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0610064",
    "kind": "arxiv",
    "version": 3
  }
}