Pith Number

pith:CKADRD7X

pith:2005:CKADRD7XOIC245LAMD4QCCAVQJ

not attested not anchored not stored refs pending

A strongly hyperbolic and regular reduction of Einstein's equations for axisymmetric spacetimes

John M. Stewart, Oliver Rinne

arxiv:gr-qc/0502037 v1 · 2005-02-09 · 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{CKADRD7XOIC245LAMD4QCCAVQJ}

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

1 paper in Pith

On Axially Symmetric Perturbations of Kerr Black Hole Spacetimes

Receipt and verification

First computed	2026-07-04T15:16:16.528771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1280388ff77205ae756060f9010815826183e422557ce2c18f1faa282dbaf241

Aliases

arxiv: gr-qc/0502037 · arxiv_version: gr-qc/0502037v1 · doi: 10.48550/arxiv.gr-qc/0502037 · pith_short_12: CKADRD7XOIC2 · pith_short_16: CKADRD7XOIC245LA · pith_short_8: CKADRD7X

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/CKADRD7XOIC245LAMD4QCCAVQJ \
  | 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: 1280388ff77205ae756060f9010815826183e422557ce2c18f1faa282dbaf241

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dd7447b63eacf02eef6425e9f651d81725038ee55fea740bd05dbf714ab29f5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2005-02-09T15:16:38Z",
    "title_canon_sha256": "e2199124060be0857e7eb7681f5e65cc2300fe80ef2ea8d08b94824e1768fb8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0502037",
    "kind": "arxiv",
    "version": 1
  }
}