Pith Number

pith:U46SFUNX

pith:2017:U46SFUNX33WMAGAFRWVN2HY2CT

not attested not anchored not stored refs pending

Deceleration versus Acceleration Universe in Different Frames of $F(R)$ Gravity

Petr V.Tretyakov, Sebastian Bahamonde, Sergei D. Odintsov, V.K. Oikonomou

arxiv:1701.02381 v2 · 2017-01-09 · 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{U46SFUNX33WMAGAFRWVN2HY2CT}

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	2026-05-18T00:52:49.015532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a73d22d1b7deecc018058daadd1f1a14f39395283c171d4e803af0ceb5a18ef7

Aliases

arxiv: 1701.02381 · arxiv_version: 1701.02381v2 · doi: 10.48550/arxiv.1701.02381 · pith_short_12: U46SFUNX33WM · pith_short_16: U46SFUNX33WMAGAF · pith_short_8: U46SFUNX

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/U46SFUNX33WMAGAFRWVN2HY2CT \
  | 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: a73d22d1b7deecc018058daadd1f1a14f39395283c171d4e803af0ceb5a18ef7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a339d694d219cdaa4046924b550acb5b8f49bfdc7cc2421dc55a2eb9133d5cf7",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-01-09T22:43:34Z",
    "title_canon_sha256": "0dbed944f61bb124457a3c9b5f89e9f8ba3ad0a46974bb2f407db012fd08f130"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.02381",
    "kind": "arxiv",
    "version": 2
  }
}