Pith Number

pith:QWXKU2BH

pith:2016:QWXKU2BHOVOSEBT6SBVHPLDM5J

not attested not anchored not stored refs pending

The bounce universe history from unimodular $F(R)$ gravity

S.D. Odintsov, S. Nojiri, V.K. Oikonomou

arxiv:1601.04112 v2 · 2016-01-16 · 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{QWXKU2BHOVOSEBT6SBVHPLDM5J}

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	2026-05-18T01:15:42.957126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85aeaa6827755d22067e906a77ac6cea71ef30165a383934c4a424f7a5889f4d

Aliases

arxiv: 1601.04112 · arxiv_version: 1601.04112v2 · doi: 10.48550/arxiv.1601.04112 · pith_short_12: QWXKU2BHOVOS · pith_short_16: QWXKU2BHOVOSEBT6 · pith_short_8: QWXKU2BH

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/QWXKU2BHOVOSEBT6SBVHPLDM5J \
  | 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: 85aeaa6827755d22067e906a77ac6cea71ef30165a383934c4a424f7a5889f4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83ecb77f81695915ee5a6d9b8c0c64775f4f1e08bc8ba84f9b545e5b3b0044db",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-01-16T01:54:03Z",
    "title_canon_sha256": "1332fab45c922736970d55352f1b7bb67ecd3cb55fa8dd8478688b40d8a2d1e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.04112",
    "kind": "arxiv",
    "version": 2
  }
}