Pith Number

pith:EDS2OBYB

pith:2009:EDS2OBYB7KA4YLGEZIPTX6YCYT

not attested not anchored not stored refs pending

Finite-time future singularities in modified Gauss-Bonnet and $\mathcal{F}(R,G)$ gravity and singularity avoidance

Kazuharu Bamba, Lorenzo Sebastiani, Sergei D. Odintsov, Sergio Zerbini

arxiv:0911.4390 v2 · 2009-11-23 · hep-th · astro-ph.CO · gr-qc · hep-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EDS2OBYB7KA4YLGEZIPTX6YCYT}

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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

$\Lambda$CDM-like models with future singularities

Finite scale factor and future singularities

DESI and Dynamical Dark Energy from Extended Pre-geometric Gravity

Receipt and verification

First computed	2026-05-18T02:34:04.026625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20e5a70701fa81cc2cc4ca1f3bfb02c4c75c3d779448a3357d6f395ce9ef263d

Aliases

arxiv: 0911.4390 · arxiv_version: 0911.4390v2 · doi: 10.48550/arxiv.0911.4390 · pith_short_12: EDS2OBYB7KA4 · pith_short_16: EDS2OBYB7KA4YLGE · pith_short_8: EDS2OBYB

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/EDS2OBYB7KA4YLGEZIPTX6YCYT \
  | 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: 20e5a70701fa81cc2cc4ca1f3bfb02c4c75c3d779448a3357d6f395ce9ef263d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19de360652429b7fd2321ae3d6b8ad4f5e3ba07c1dea01e1bff7ab899707df43",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-11-23T13:13:03Z",
    "title_canon_sha256": "78d9ac702d3211fe89396851dad6dcb9057efd3e7b7492bc725ef60ddf8c2d20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4390",
    "kind": "arxiv",
    "version": 2
  }
}