Pith Number

pith:OKK5O7WA

pith:2016:OKK5O7WALSGF2UG777K3CWVU24

not attested not anchored not stored refs pending

New observational constraints on $f(R)$ gravity from cosmic chronometers

Emmanuel N. Saridakis, Everton M. C. Abreu, Rafael C. Nunes, Supriya Pan

arxiv:1610.07518 v3 · 2016-10-24 · astro-ph.CO · gr-qc · 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{OKK5O7WALSGF2UG777K3CWVU24}

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

2 papers in Pith

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

Off-diagonal solutions in Einsteingravity modeling f(R) gravity and dynamical darkenergy vs Lambda CDM cosmology

Receipt and verification

First computed	2026-05-18T00:53:17.119024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7295d77ec05c8c5d50dfffd5b15ab4d70326a88881fbd74c6c34be4819e34881

Aliases

arxiv: 1610.07518 · arxiv_version: 1610.07518v3 · doi: 10.48550/arxiv.1610.07518 · pith_short_12: OKK5O7WALSGF · pith_short_16: OKK5O7WALSGF2UG7 · pith_short_8: OKK5O7WA

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/OKK5O7WALSGF2UG777K3CWVU24 \
  | 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: 7295d77ec05c8c5d50dfffd5b15ab4d70326a88881fbd74c6c34be4819e34881

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ab8351e24f21d6cd94edc86b0c81d6ed551a172453921f74d7464e640e32d5a",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-10-24T18:08:27Z",
    "title_canon_sha256": "3cb1a71a58a38f9a0127cc0d1e8e470c05158578528871844b5e5ba00030d237"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.07518",
    "kind": "arxiv",
    "version": 3
  }
}