Pith Number

pith:Y2UQQ4IP

pith:2013:Y2UQQ4IPGU7BJWLNIP6LEYHMFB

not attested not anchored not stored refs pending

Nearly Starobinsky inflation from modified gravity

G. Cognola, L. Sebastiani, R. Myrzakulov, S.D. Odintsov, S. Zerbini

arxiv:1311.0744 v2 · 2013-11-04 · 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{Y2UQQ4IPGU7BJWLNIP6LEYHMFB}

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.

Receipt and verification

First computed	2026-05-18T02:42:28.626700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6a908710f353e14d96d43fcb260ec285ba1267c8c421cb0b3726e1e14129cc3

Aliases

arxiv: 1311.0744 · arxiv_version: 1311.0744v2 · doi: 10.48550/arxiv.1311.0744 · pith_short_12: Y2UQQ4IPGU7B · pith_short_16: Y2UQQ4IPGU7BJWLN · pith_short_8: Y2UQQ4IP

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/Y2UQQ4IPGU7BJWLNIP6LEYHMFB \
  | 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: c6a908710f353e14d96d43fcb260ec285ba1267c8c421cb0b3726e1e14129cc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a5866a7bb26b90d23d77a88ddc57d9f100cf1bc52c6a0309cbbeb66bcd37568",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-11-04T16:00:38Z",
    "title_canon_sha256": "7e43b2593eaf82a6fbecdb29511aa1151458203083911c125567f8c2b2e492de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0744",
    "kind": "arxiv",
    "version": 2
  }
}