Pith Number

pith:4PFBQGUT

pith:2010:4PFBQGUTBD27JUD6SIW2CMLNGQ

not attested not anchored not stored refs pending

Classical and Quantum Cosmology of Multigravity

Kazuhiko Shinoda, Kiyoshi Shiraishi (Yamaguchi University), Koichiro Kobayashi, Teruki Hanada

arxiv:1004.5435 v2 · 2010-04-30 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4PFBQGUTBD27JUD6SIW2CMLNGQ}

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	2026-05-18T04:30:48.481437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3ca181a9308f5f4d07e922da1316d3403ed058139f0884556a838793fc5af10

Aliases

arxiv: 1004.5435 · arxiv_version: 1004.5435v2 · doi: 10.48550/arxiv.1004.5435 · pith_short_12: 4PFBQGUTBD27 · pith_short_16: 4PFBQGUTBD27JUD6 · pith_short_8: 4PFBQGUT

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/4PFBQGUTBD27JUD6SIW2CMLNGQ \
  | 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: e3ca181a9308f5f4d07e922da1316d3403ed058139f0884556a838793fc5af10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c01903df9a4d1fdecc8c1a2b979c91713597009aaccfa05b7d933e538271017",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-04-30T02:27:44Z",
    "title_canon_sha256": "c1211a0c3614963118da4ebe9f73e7df4c882528a969fa00397c44ae78e8b9a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.5435",
    "kind": "arxiv",
    "version": 2
  }
}