Pith Number

pith:AC2DAU7U

pith:2013:AC2DAU7UZ2STZL2X3JHUYBMLIW

not attested not anchored not stored refs pending

Gravito-Electromagnetic Perturbations of Kerr-Newman Black Holes: Stability and Isospectrality in the Slow-Rotation Limit

Emanuele Berti, Leonardo Gualtieri, Paolo Pani

arxiv:1304.1160 v2 · 2013-04-03 · gr-qc · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AC2DAU7UZ2STZL2X3JHUYBMLIW}

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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

3 papers in Pith

Quasinormal modes of Kerr-Newman black holes: revisiting the Dudley-Finley approximation

Black hole spectroscopy: from theory to experiment

Gravitational-Bumblebee perturbations: Exact decoupling and isospectrality

Receipt and verification

First computed	2026-05-18T03:20:36.246479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00b43053f4cea53caf57da4f4c058b458de19f67c8753c684b3c8a22e68abde6

Aliases

arxiv: 1304.1160 · arxiv_version: 1304.1160v2 · doi: 10.48550/arxiv.1304.1160 · pith_short_12: AC2DAU7UZ2ST · pith_short_16: AC2DAU7UZ2STZL2X · pith_short_8: AC2DAU7U

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/AC2DAU7UZ2STZL2X3JHUYBMLIW \
  | 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: 00b43053f4cea53caf57da4f4c058b458de19f67c8753c684b3c8a22e68abde6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "231e7aecc930520027d87209854a96f55bef26a73266ec3860fa7f4fbc585cdf",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-04-03T20:00:04Z",
    "title_canon_sha256": "11e2e60a25ae29e972094d088dea287bc7a7254ceaa99d910c3d56cfb8398923"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1160",
    "kind": "arxiv",
    "version": 2
  }
}