Pith Number

pith:AKS7SY3D

pith:2004:AKS7SY3DEDWFPA3AGXQPCOEDPP

not attested not anchored not stored refs pending

Quasistationary collapse to the extreme Kerr black hole

Reinhard Meinel

arxiv:gr-qc/0405074 v1 · 2004-05-14 · gr-qc · astro-ph · 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{AKS7SY3DEDWFPA3AGXQPCOEDPP}

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	2026-05-18T04:32:44.410569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02a5f9636320ec57836035e0f138837bff81d0c6269177b4c966056238398de8

Aliases

arxiv: gr-qc/0405074 · arxiv_version: gr-qc/0405074v1 · doi: 10.48550/arxiv.gr-qc/0405074 · pith_short_12: AKS7SY3DEDWF · pith_short_16: AKS7SY3DEDWFPA3A · pith_short_8: AKS7SY3D

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/AKS7SY3DEDWFPA3AGXQPCOEDPP \
  | 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: 02a5f9636320ec57836035e0f138837bff81d0c6269177b4c966056238398de8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d2019b3615e21f4c5173b65987441a0ef2ae0bf122054aeb4a6162c7cda2a3c",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-05-14T08:56:54Z",
    "title_canon_sha256": "5143a3feaba1d9ae140af3ed37d61c4cabf94b34ca1b5c13a11e88cadd86a13d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0405074",
    "kind": "arxiv",
    "version": 1
  }
}