Pith Number

pith:QWSFXDO4

pith:2013:QWSFXDO42FPIQIZZUXCP7GHD6J

not attested not anchored not stored refs pending

$d\geq 5$ magnetized static, balanced black holes with $S^2\times S^{d-4}$ event horizon topology

Burkhard Kleihaus, Eugen Radu, Jutta Kunz

arxiv:1303.2190 v1 · 2013-03-09 · gr-qc · 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{QWSFXDO42FPIQIZZUXCP7GHD6J}

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	2026-05-18T01:51:09.372749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85a45b8ddcd15e882339a5c4ff98e3f26f8af4fdd3229010c1e82906866ab887

Aliases

arxiv: 1303.2190 · arxiv_version: 1303.2190v1 · doi: 10.48550/arxiv.1303.2190 · pith_short_12: QWSFXDO42FPI · pith_short_16: QWSFXDO42FPIQIZZ · pith_short_8: QWSFXDO4

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/QWSFXDO42FPIQIZZUXCP7GHD6J \
  | 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: 85a45b8ddcd15e882339a5c4ff98e3f26f8af4fdd3229010c1e82906866ab887

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efbac25261617edd93ff8c8bd360a216e1d62f8430b324bf7c4e690d3fd7ca6f",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-03-09T09:48:38Z",
    "title_canon_sha256": "e649ad70e6b44db99acc1e7e9879667aa7f6351f589120b002465aa9a8de020a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2190",
    "kind": "arxiv",
    "version": 1
  }
}