Pith Number

pith:Z3WBRU2Z

pith:2008:Z3WBRU2ZZQNZFXJDKEWIYGSWU6

not attested not anchored not stored refs pending

A classification of near-horizon geometries of extremal vacuum black holes

Hari K. Kunduri, James Lucietti

arxiv:0806.2051 v3 · 2008-06-12 · hep-th · 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{Z3WBRU2ZZQNZFXJDKEWIYGSWU6}

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

3 papers in Pith

Charged and rotating near-horizon geometries in five dimensions

Quasi-topological gravity for 4-dimensional Taub-NUT, near-horizon extreme Kerr, and swirling symmetries

An Exact Single-Rotating Near-Horizon Geometry in Einstein-Gauss-Bonnet Gravity

Receipt and verification

First computed	2026-07-04T15:48:50.777446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ceec18d359cc1b92dd23512c8c1a56a7ac09b1bde8edab73c4f97e2dadd8ea74

Aliases

arxiv: 0806.2051 · arxiv_version: 0806.2051v3 · doi: 10.48550/arxiv.0806.2051 · pith_short_12: Z3WBRU2ZZQNZ · pith_short_16: Z3WBRU2ZZQNZFXJD · pith_short_8: Z3WBRU2Z

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/Z3WBRU2ZZQNZFXJDKEWIYGSWU6 \
  | 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: ceec18d359cc1b92dd23512c8c1a56a7ac09b1bde8edab73c4f97e2dadd8ea74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48ec8c6633e0c36b4ae93de07c8e79c0acce2ec3ed7df50ceb724bfa3a02550b",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-06-12T16:02:12Z",
    "title_canon_sha256": "83097bfe49c918919edb101cde0ad908c7faeed8fd9f2fc31a5cd97669060d8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.2051",
    "kind": "arxiv",
    "version": 3
  }
}