Pith Number

pith:S2KZ47RF

pith:2021:S2KZ47RFVGLWK5T4XMNHW63KZG

not attested not anchored not stored refs pending

Specific neutral and charged black holes in $f(R)$ gravitational theory

G.G.L. Nashed, Shin'ichi Nojiri

arxiv:2103.02382 v7 · 2021-03-03 · gr-qc · astro-ph.CO · 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{S2KZ47RFVGLWK5T4XMNHW63KZG}

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

An innovative black hole solution and thermodynamic properties in higher-order curvature gravity with a scalar field

Receipt and verification

First computed	2026-07-05T03:41:59.950535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96959e7e25a99765767cbb1a7b7b6ac99a42bc400bbe57dedd7a995f3b24e0f6

Aliases

arxiv: 2103.02382 · arxiv_version: 2103.02382v7 · doi: 10.48550/arxiv.2103.02382 · pith_short_12: S2KZ47RFVGLW · pith_short_16: S2KZ47RFVGLWK5T4 · pith_short_8: S2KZ47RF

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/S2KZ47RFVGLWK5T4XMNHW63KZG \
  | 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: 96959e7e25a99765767cbb1a7b7b6ac99a42bc400bbe57dedd7a995f3b24e0f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92875c5c093ea7aa6217f3ca3148b56fd34a8ffdafd27b427b111a4e43d6c97d",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-03-03T13:12:22Z",
    "title_canon_sha256": "9bcd72dc5c20969e21898fccd33ba2858923f88f6f43b019ed56c36afb6dfc22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.02382",
    "kind": "arxiv",
    "version": 7
  }
}