Pith Number

pith:GPCAYD67

pith:2016:GPCAYD675RI73UW5USENAFUCHC

not attested not anchored not stored refs pending

Detailed study of geodesics in the Kerr-Newman-(A)dS spactime and the rotating charged black hole spacetime in $f(R)$ gravity

Jutta Kunz, Reza Saffari, Saheb Soroushfar, Saskia Grunau, Sobhan Kazempour

arxiv:1605.08976 v2 · 2016-05-29 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GPCAYD675RI73UW5USENAFUCHC}

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	2026-05-18T01:10:14.290163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33c40c0fdfec51fdd2dda488d01682388f22a2e7df80bc346c5fe89a212b71af

Aliases

arxiv: 1605.08976 · arxiv_version: 1605.08976v2 · doi: 10.48550/arxiv.1605.08976 · pith_short_12: GPCAYD675RI7 · pith_short_16: GPCAYD675RI73UW5 · pith_short_8: GPCAYD67

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/GPCAYD675RI73UW5USENAFUCHC \
  | 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: 33c40c0fdfec51fdd2dda488d01682388f22a2e7df80bc346c5fe89a212b71af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16d93316ee0ea8a1825795c9c2f432705ed3510f47fd10a8b793d01ddca673f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-05-29T08:11:58Z",
    "title_canon_sha256": "dfa93def140f02a90bf01ef7d837760ec40ddb3c39c06179d0dcb32f748fa5a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.08976",
    "kind": "arxiv",
    "version": 2
  }
}