pith. sign in
Pith Number

pith:M7OJGDMY

pith:2012:M7OJGDMY2Y27B3C442CGUHZWZE
not attested not anchored not stored refs pending

Radiating Kerr-Newman black hole in $f(R)$ gravity

Sunil D. Maharaj, Sushant G. Ghosh, Uma Papnoi

arxiv:1208.3028 v2 · 2012-08-15 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{M7OJGDMY2Y27B3C442CGUHZWZE}

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.
Receipt and verification
First computed 2026-05-18T01:55:15.797150Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

67dc930d98d635f0ec5ce6846a1f36c900cdf1908575f8d146a964ffcf019535

Aliases

arxiv: 1208.3028 · arxiv_version: 1208.3028v2 · doi: 10.48550/arxiv.1208.3028 · pith_short_12: M7OJGDMY2Y27 · pith_short_16: M7OJGDMY2Y27B3C4 · pith_short_8: M7OJGDMY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/M7OJGDMY2Y27B3C442CGUHZWZE \
  | 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: 67dc930d98d635f0ec5ce6846a1f36c900cdf1908575f8d146a964ffcf019535
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a46f6cb24b384224852fff88571544d8bce0394a360ab4f24d7d82c29b8c2cdf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-08-15T04:30:29Z",
    "title_canon_sha256": "39ccd4cbe2c37f490d5bed8910b5f1bc956b8e60e819947511a10dbfe907db4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3028",
    "kind": "arxiv",
    "version": 2
  }
}