pith. sign in
Pith Number

pith:TINBGL4O

pith:2013:TINBGL4OQ6WOVVQCEAW2MTCH44
not attested not anchored not stored refs pending

Higher-Order Gauss-Bonnet Cosmology

Andrey N. Makarenko, Mauro Francaviglia, Salvatore Capozziello

arxiv:1304.5440 v3 · 2013-04-19 · gr-qc · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{TINBGL4OQ6WOVVQCEAW2MTCH44}

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 2026-05-18T00:47:34.120236Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

9a1a132f8e87acead602202da64c47e707b8bf62bff7eb0741513504f16e1691

Aliases

arxiv: 1304.5440 · arxiv_version: 1304.5440v3 · doi: 10.48550/arxiv.1304.5440 · pith_short_12: TINBGL4OQ6WO · pith_short_16: TINBGL4OQ6WOVVQC · pith_short_8: TINBGL4O
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/TINBGL4OQ6WOVVQCEAW2MTCH44 \
  | 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: 9a1a132f8e87acead602202da64c47e707b8bf62bff7eb0741513504f16e1691
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f7e693ea4b60d3139a8d47226cea907664428d3f5dc592fa2867eacfba010f8c",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-04-19T15:02:49Z",
    "title_canon_sha256": "105f7eeae928959b017a15e5448e7ed5a56636c3ed1ed0e5b83b73d7fa0276b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5440",
    "kind": "arxiv",
    "version": 3
  }
}