Pith Number

pith:NEO4YXSV

pith:2023:NEO4YXSV3Y4LA7ESF7UPG6CGCV

not attested not anchored not stored refs pending

Analytic study of the Maxwell electromagnetic invariant in spinning and charged Kerr-Newman black-hole spacetimes

Shahar Hod

arxiv:2308.12990 v1 · 2023-08-24 · gr-qc · astro-ph.HE · 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{NEO4YXSV3Y4LA7ESF7UPG6CGCV}

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

A sufficient condition for the development of superradiant instabilities in charged black-hole spacetimes

Receipt and verification

First computed	2026-07-05T06:54:22.457775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

691dcc5e55de38b07c922fe8f378461552041725fa22584e185c5946940bad04

Aliases

arxiv: 2308.12990 · arxiv_version: 2308.12990v1 · doi: 10.48550/arxiv.2308.12990 · pith_short_12: NEO4YXSV3Y4L · pith_short_16: NEO4YXSV3Y4LA7ES · pith_short_8: NEO4YXSV

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/NEO4YXSV3Y4LA7ESF7UPG6CGCV \
  | 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: 691dcc5e55de38b07c922fe8f378461552041725fa22584e185c5946940bad04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fed2b210e12f15be1bec3b15c326557e744d7f52587dfb9a4eea686e11066f2",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2023-08-24T18:00:02Z",
    "title_canon_sha256": "7afa91ac8eb8b9f6120ce9006ba9d8fcda85bb8f02d6971c0863330371477cf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.12990",
    "kind": "arxiv",
    "version": 1
  }
}