Pith Number

pith:3WMQI5NY

pith:2021:3WMQI5NYS2FKYZTYXIIG3UJ2YS

not attested not anchored not stored refs pending

Stability study of a model for the Klein-Gordon equation in Kerr space-time II

Horst Reinhard Beyer, Miguel Alcubierre, Miguel Megevand

arxiv:2102.00972 v1 · 2021-02-01 · gr-qc · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3WMQI5NYS2FKYZTYXIIG3UJ2YS}

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	2026-07-05T03:14:09.978891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd990475b8968aac6678ba106dd13ac4914421b2610cc7d4c720716d09daad87

Aliases

arxiv: 2102.00972 · arxiv_version: 2102.00972v1 · doi: 10.48550/arxiv.2102.00972 · pith_short_12: 3WMQI5NYS2FK · pith_short_16: 3WMQI5NYS2FKYZTY · pith_short_8: 3WMQI5NY

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/3WMQI5NYS2FKYZTYXIIG3UJ2YS \
  | 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: dd990475b8968aac6678ba106dd13ac4914421b2610cc7d4c720716d09daad87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c784fa06b8ddc316cb5aebbc04e0006ac92373e489c6a2c6e6565b1b6f6e5219",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-02-01T16:55:21Z",
    "title_canon_sha256": "6c6627b33f7234e983735f0e80e255f444af44128d4a11cff1bcbb51a2807b80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.00972",
    "kind": "arxiv",
    "version": 1
  }
}