Pith Number

pith:4N3IH2XO

pith:2022:4N3IH2XOENNLN4EZMY7FNCPWYW

not attested not anchored not stored refs pending

Beyond Schwarzschild-de Sitter spacetimes: II. An exact non-Schwarzschild metric in pure $R^{2}$ gravity and new anomalous properties of $R^{2}$ spacetimes

Hoang Ky Nguyen

arxiv:2211.03542 v3 · 2022-11-04 · 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{4N3IH2XOENNLN4EZMY7FNCPWYW}

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.

Cited by

1 paper in Pith

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

Receipt and verification

First computed	2026-07-05T06:06:54.917482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e37683eaee235ab6f099663e5689f6c58349f7925e0faecd869f1ff18a3e925a

Aliases

arxiv: 2211.03542 · arxiv_version: 2211.03542v3 · doi: 10.48550/arxiv.2211.03542 · pith_short_12: 4N3IH2XOENNL · pith_short_16: 4N3IH2XOENNLN4EZ · pith_short_8: 4N3IH2XO

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/4N3IH2XOENNLN4EZMY7FNCPWYW \
  | 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: e37683eaee235ab6f099663e5689f6c58349f7925e0faecd869f1ff18a3e925a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5458830751d9d14a8da8f4fa112810c0d890bb8bfc275bc361ec5d1ebec6cdb6",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-11-04T13:47:04Z",
    "title_canon_sha256": "ade8fd31135453fe7363c060d852d3005338a468e9cdfc9ff4f02784503cca92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.03542",
    "kind": "arxiv",
    "version": 3
  }
}