Pith Number

pith:GUTO4IL6

pith:2022:GUTO4IL653IX5QFLPUCLOBPQ5J

not attested not anchored not stored refs pending

Beyond Schwarzschild-de Sitter spacetimes: I. A new exhaustive class of metrics inspired by Buchdahl for pure $R^2$ gravity in a compact form

Hoang Ky Nguyen

arxiv:2211.01769 v1 · 2022-11-02 · gr-qc · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GUTO4IL653IX5QFLPUCLOBPQ5J}

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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

Epicyclic oscillations and accretion disk around a special Buchdahl-inspired spacetime

Receipt and verification

First computed	2026-07-05T05:12:59.914915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3526ee217eeed17ec0ab7d04b705f0ea47561c9ea9a4de4da0fdcaf7590e9d5a

Aliases

arxiv: 2211.01769 · arxiv_version: 2211.01769v1 · doi: 10.48550/arxiv.2211.01769 · pith_short_12: GUTO4IL653IX · pith_short_16: GUTO4IL653IX5QFL · pith_short_8: GUTO4IL6

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/GUTO4IL653IX5QFLPUCLOBPQ5J \
  | 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: 3526ee217eeed17ec0ab7d04b705f0ea47561c9ea9a4de4da0fdcaf7590e9d5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c8561d71d541ba15ec73843dcc5ecc443d7836bf0450e780937f6823b680d85",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-11-02T17:46:23Z",
    "title_canon_sha256": "7fa52ebe18a25fda139351ef22126ea6a7dd8fd3d9189df0f5ca11742277c0c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.01769",
    "kind": "arxiv",
    "version": 1
  }
}