Pith Number

pith:U4ATCTDA

pith:2013:U4ATCTDAQ3EEQVBJCEP5VDMM3X

not attested not anchored not stored refs pending

Accelerating cosmology in modified gravity: from convenient $F(R)$ or string-inspired theory to bimetric $F(R)$ gravity

Sergei D. Odintsov, Shin'ichi Nojiri

arxiv:1306.4426 v1 · 2013-06-19 · gr-qc · 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{U4ATCTDAQ3EEQVBJCEP5VDMM3X}

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.

Cited by

1 paper in Pith

Modified Gravity Theories on a Nutshell: Inflation, Bounce and Late-time Evolution

Receipt and verification

First computed	2026-05-18T03:20:34.506899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a701314c6086c8485429111fda8d8cddf82cda9162338f0c0460b28a9c2aa3a3

Aliases

arxiv: 1306.4426 · arxiv_version: 1306.4426v1 · doi: 10.48550/arxiv.1306.4426 · pith_short_12: U4ATCTDAQ3EE · pith_short_16: U4ATCTDAQ3EEQVBJ · pith_short_8: U4ATCTDA

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/U4ATCTDAQ3EEQVBJCEP5VDMM3X \
  | 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: a701314c6086c8485429111fda8d8cddf82cda9162338f0c0460b28a9c2aa3a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c20f3721ff885c831f7c8bccd1f834606a82522a3b0db5f69c7e633842d9d0f",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-06-19T05:23:57Z",
    "title_canon_sha256": "dd6238335c48a5dda1342aee829607c7bd608a6cbb4843f5f119b923d14f1142"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4426",
    "kind": "arxiv",
    "version": 1
  }
}