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Pith Number

pith:NBKYTQDA

pith:2011:NBKYTQDAQCGSYUMFAN32WYKBRB
not attested not anchored not stored refs pending

Extended Theories of Gravity

Mariafelicia De Laurentis, Salvatore Capozziello

arxiv:1108.6266 v2 · 2011-08-31 · gr-qc · astro-ph.CO · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NBKYTQDAQCGSYUMFAN32WYKBRB}

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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

24 papers in Pith

Receipt and verification
First computed 2026-05-18T02:00:43.936698Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

685589c060808d2c51850377ab6141887c360360b9dce4789b4c28c5fc3ee85a

Aliases

arxiv: 1108.6266 · arxiv_version: 1108.6266v2 · doi: 10.48550/arxiv.1108.6266 · pith_short_12: NBKYTQDAQCGS · pith_short_16: NBKYTQDAQCGSYUMF · pith_short_8: NBKYTQDA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NBKYTQDAQCGSYUMFAN32WYKBRB \
  | 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: 685589c060808d2c51850377ab6141887c360360b9dce4789b4c28c5fc3ee85a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "76bde8de5eb2e1624ae9ad6a1426a1b9d17d9ce6071218c7b0ab77414f1073f7",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-08-31T15:29:02Z",
    "title_canon_sha256": "56a439e0f1b4793a93e3b1fe4adddd25718e5538ded76a591098a3b146023e31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.6266",
    "kind": "arxiv",
    "version": 2
  }
}