Pith Number

pith:OUVGXKKJ

pith:2024:OUVGXKKJIAD6VTVGL3HQKHVCWM

not attested not anchored not stored refs pending

Field equations and Noether potentials for higher-order theories of gravity with Lagrangians involving $\Box^i R$, $\Box^i R_{\mu\nu}$ and $\Box^i R_{\mu\nu\rho\sigma}$

Hua Li, Jun-Jin Peng

arxiv:2402.17429 v2 · 2024-02-27 · gr-qc · 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{OUVGXKKJIAD6VTVGL3HQKHVCWM}

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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

1 paper in Pith

Multinomial probit model based on joint quantile regression

Receipt and verification

First computed	2026-07-05T09:37:35.542557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

752a6ba9494007eacea65ecf051ea2b335747bad22f88eceebae50ba1f8cb66c

Aliases

arxiv: 2402.17429 · arxiv_version: 2402.17429v2 · doi: 10.48550/arxiv.2402.17429 · pith_short_12: OUVGXKKJIAD6 · pith_short_16: OUVGXKKJIAD6VTVG · pith_short_8: OUVGXKKJ

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/OUVGXKKJIAD6VTVGL3HQKHVCWM \
  | 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: 752a6ba9494007eacea65ecf051ea2b335747bad22f88eceebae50ba1f8cb66c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1d6bd5f0d0a39de783e66fc064a10dcf707c35f92c5d1cd1d6bff4092e2fb69",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2024-02-27T11:42:18Z",
    "title_canon_sha256": "948d3416d6d8ad04124ba5e9162bac9ab29979a6c3fd93f1216a95227da79669"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.17429",
    "kind": "arxiv",
    "version": 2
  }
}