Pith Number

pith:KVDFJWYV

pith:2007:KVDFJWYVFYHMQHHLZU3L3FY4JQ

not attested not anchored not stored refs pending

Inflation, bifurcations of nonlinear curvature Lagrangians and dark energy

Eckehard W. Mielke, Fjodor V. Kusmartsev, Franz E. Schunck

arxiv:0704.1135 v1 · 2007-04-09 · gr-qc · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KVDFJWYVFYHMQHHLZU3L3FY4JQ}

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	2026-05-18T00:59:33.138242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

554654db152e0ec81cebcd36bd971c4c1f2436003d8b94c13b684415b5f057e3

Aliases

arxiv: 0704.1135 · arxiv_version: 0704.1135v1 · doi: 10.48550/arxiv.0704.1135 · pith_short_12: KVDFJWYVFYHM · pith_short_16: KVDFJWYVFYHMQHHL · pith_short_8: KVDFJWYV

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/KVDFJWYVFYHMQHHLZU3L3FY4JQ \
  | 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: 554654db152e0ec81cebcd36bd971c4c1f2436003d8b94c13b684415b5f057e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89349ad73c42f9f09cf370bbf0858d6a461f5ee4bc61a76bb70a6f61d83679f8",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-04-09T17:22:57Z",
    "title_canon_sha256": "985db69d3e2b93acc7b7e03c6a694b4464bec5f7448dd4f86b1b1633978b63d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.1135",
    "kind": "arxiv",
    "version": 1
  }
}