Pith Number

pith:7CQBQ7PF

pith:2020:7CQBQ7PFVPMZW2TQBNACFRAODR

not attested not anchored not stored refs pending

Novel higher-curvature variations of $R^2$ inflation

Kwinten Fransen, Pablo A. Cano, Thomas Hertog

arxiv:2011.13933 v1 · 2020-11-27 · hep-th · astro-ph.CO · 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{7CQBQ7PFVPMZW2TQBNACFRAODR}

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

3 papers in Pith

Effect of $R^2$ on the stability of de Sitter solution of the generalized Einsteinian cubic gravity

Cosmological higher-curvature gravities

Cosmic Inflation From Regular Black Holes

Receipt and verification

First computed	2026-07-05T02:43:12.756573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8a0187de5abd99b6a700b4022c40e1c459dff0828822cdd835b685ad6515e3e

Aliases

arxiv: 2011.13933 · arxiv_version: 2011.13933v1 · doi: 10.48550/arxiv.2011.13933 · pith_short_12: 7CQBQ7PFVPMZ · pith_short_16: 7CQBQ7PFVPMZW2TQ · pith_short_8: 7CQBQ7PF

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/7CQBQ7PFVPMZW2TQBNACFRAODR \
  | 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: f8a0187de5abd99b6a700b4022c40e1c459dff0828822cdd835b685ad6515e3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55b352af0268ab4fd5355f015c4c52e2f0e445bf54462cc6a528ead4970e7be5",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2020-11-27T19:00:00Z",
    "title_canon_sha256": "653b2d3fe370e3a591f91c2bbf0dcd42fa0c3b380229b92644d9406f481dab5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.13933",
    "kind": "arxiv",
    "version": 1
  }
}