Pith Number

pith:X2NACOBJ

pith:2025:X2NACOBJD5ZCP34ZONKEGXAB4S

not attested not anchored not stored refs pending

Quasi-Homogeneous Integrable Systems: Free Parameters, Kovalevskaya Exponents, and the Painlev\'e Property

Changyu Zhou, Hayato Chiba

arxiv:2505.24330 v3 · 2025-05-30 · nlin.SI · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X2NACOBJD5ZCP34ZONKEGXAB4S}

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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

Kovalevskaya exponents of the Riccati hierarchy

Receipt and verification

First computed	2026-06-26T01:15:13.739324Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be9a0138291f7227ef997354435c01e489a38fa014decf050b0c137e415fd2cd

Aliases

arxiv: 2505.24330 · arxiv_version: 2505.24330v3 · doi: 10.48550/arxiv.2505.24330 · pith_short_12: X2NACOBJD5ZC · pith_short_16: X2NACOBJD5ZCP34Z · pith_short_8: X2NACOBJ

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/X2NACOBJD5ZCP34ZONKEGXAB4S \
  | 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: be9a0138291f7227ef997354435c01e489a38fa014decf050b0c137e415fd2cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3444404c8149fdf34e35e869dc681afd520ba7a612e47e3f228668da3926aa45",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2025-05-30T08:13:30Z",
    "title_canon_sha256": "b061348d369f4015e3ba52adeea3d3135b5f1acba2a52530fa764754ac9a5dd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.24330",
    "kind": "arxiv",
    "version": 3
  }
}