Pith Number

pith:FRZNOTT2

pith:2010:FRZNOTT23XRXEW3QLH7AL3VUHV

not attested not anchored not stored refs pending

Universal properties of distorted Kerr-Newman black holes

Carla Cederbaum, J\"org Hennig, Marcus Ansorg

arxiv:1005.3128 v2 · 2010-05-18 · 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{FRZNOTT23XRXEW3QLH7AL3VUHV}

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	2026-05-18T04:23:23.238423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c72d74e7adde3725b7059fe05eeb43d4989d63f596903b85809e0423e5ce864

Aliases

arxiv: 1005.3128 · arxiv_version: 1005.3128v2 · doi: 10.48550/arxiv.1005.3128 · pith_short_12: FRZNOTT23XRX · pith_short_16: FRZNOTT23XRXEW3Q · pith_short_8: FRZNOTT2

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/FRZNOTT23XRXEW3QLH7AL3VUHV \
  | 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: 2c72d74e7adde3725b7059fe05eeb43d4989d63f596903b85809e0423e5ce864

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2f67bb9c13cbd6e53a98aeceb7aac480b16d4755efe4aeacb694df1d2d535f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-05-18T09:43:39Z",
    "title_canon_sha256": "ba4eb61f253e35572adbd33cbcffcc4fed0f89c888b763158c6a86730691a6d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.3128",
    "kind": "arxiv",
    "version": 2
  }
}