Pith Number

pith:NAMGIIK5

pith:2002:NAMGIIK5TEACI4IOW6IKGABDGU

not attested not anchored not stored refs pending

Kovalevski exponents and integrability properties in class A homogeneous cosmological models

Marek Biesiada, Marek Szydlowski

arxiv:gr-qc/0210062 v1 · 2002-10-18 · gr-qc · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NAMGIIK5TEACI4IOW6IKGABDGU}

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	2026-05-18T01:39:23.478994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

681864215d990024710eb790a300233532b771701dd712d492dfd3fa7232279b

Aliases

arxiv: gr-qc/0210062 · arxiv_version: gr-qc/0210062v1 · doi: 10.48550/arxiv.gr-qc/0210062 · pith_short_12: NAMGIIK5TEAC · pith_short_16: NAMGIIK5TEACI4IO · pith_short_8: NAMGIIK5

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/NAMGIIK5TEACI4IOW6IKGABDGU \
  | 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: 681864215d990024710eb790a300233532b771701dd712d492dfd3fa7232279b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26b0f589918e52025a107e1fd39e7dbb5792bf36398dbe0bfc96d12320fc2fc0",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2002-10-18T15:51:15Z",
    "title_canon_sha256": "7b49e97ac9ac009f7aa81947f203b9ae977758a54a9c82cd218e89bd8f19f3ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0210062",
    "kind": "arxiv",
    "version": 1
  }
}