Pith Number

pith:E5RUXCOY

pith:2012:E5RUXCOYB3AAZ6KGEVVG2RTMDQ

not attested not anchored not stored refs pending

Constructive proof of the Kerr-Newman black hole uniqueness: derivation of the full solution from scratch

Reinhard Meinel, Ren\'e Richter

arxiv:1208.0294 v1 · 2012-08-01 · 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{E5RUXCOYB3AAZ6KGEVVG2RTMDQ}

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	2026-05-18T02:27:29.682696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27634b89d80ec00cf946256a6d466c1c0acd6abde2008ea91983dd4fd7618e69

Aliases

arxiv: 1208.0294 · arxiv_version: 1208.0294v1 · doi: 10.48550/arxiv.1208.0294 · pith_short_12: E5RUXCOYB3AA · pith_short_16: E5RUXCOYB3AAZ6KG · pith_short_8: E5RUXCOY

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/E5RUXCOYB3AAZ6KGEVVG2RTMDQ \
  | 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: 27634b89d80ec00cf946256a6d466c1c0acd6abde2008ea91983dd4fd7618e69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16de785b9bf407c386f42f92f1c8f94e9c9c07cd2ac19f5dcb00ea9682970be6",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-08-01T17:33:35Z",
    "title_canon_sha256": "911b72b9a98850ad493b6f755116fc1e8bd563d11c8a233506f89a474380446c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0294",
    "kind": "arxiv",
    "version": 1
  }
}