Pith Number

pith:RYF3XMOA

pith:2014:RYF3XMOAHYJUYO76MHKZFLRL6L

not attested not anchored not stored refs pending

Inflation and dark energy from f(R) gravity

Michal Artymowski, Zygmunt Lalak

arxiv:1405.7818 v2 · 2014-05-30 · hep-th · 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{RYF3XMOAHYJUYO76MHKZFLRL6L}

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	2026-05-18T02:30:40.920372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e0bbbb1c03e134c3bfe61d592ae2bf2eff2e2a8f3220105d5fb5c1d09adbe44

Aliases

arxiv: 1405.7818 · arxiv_version: 1405.7818v2 · doi: 10.48550/arxiv.1405.7818 · pith_short_12: RYF3XMOAHYJU · pith_short_16: RYF3XMOAHYJUYO76 · pith_short_8: RYF3XMOA

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/RYF3XMOAHYJUYO76MHKZFLRL6L \
  | 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: 8e0bbbb1c03e134c3bfe61d592ae2bf2eff2e2a8f3220105d5fb5c1d09adbe44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0ba17af93d6488b247dacc021e3e850c9fbf0affbd7a738cbd55808fc06cd22",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2014-05-30T10:37:55Z",
    "title_canon_sha256": "4e9172cf57ba9c0b06ae368f879309680e60e9ad6c42540fc758e7965cb7ec0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7818",
    "kind": "arxiv",
    "version": 2
  }
}