Pith Number

pith:QVEMKV5M

pith:2005:QVEMKV5MRIOBH32GTZ3EAE74MW

not attested not anchored not stored refs pending

Lagrangian Formalism for nonlinear second-order Riccati Systems: one-dimensional Integrability and two-dimensional Superintegrability

Jos\'e F. Cari\~nena, Manuel F. Ra\~nada, Mariano Santander

arxiv:math-ph/0505024 v1 · 2005-05-09 · 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{QVEMKV5MRIOBH32GTZ3EAE74MW}

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	2026-05-18T02:25:34.525691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8548c557ac8a1c13ef469e764013fc6596fb1a70e47c0ebdb04a1e434e8dc27e

Aliases

arxiv: math-ph/0505024 · arxiv_version: math-ph/0505024v1 · doi: 10.48550/arxiv.math-ph/0505024 · pith_short_12: QVEMKV5MRIOB · pith_short_16: QVEMKV5MRIOBH32G · pith_short_8: QVEMKV5M

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/QVEMKV5MRIOBH32GTZ3EAE74MW \
  | 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: 8548c557ac8a1c13ef469e764013fc6596fb1a70e47c0ebdb04a1e434e8dc27e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aac998bb93754017f3f0fdba09d3b8241890d7db6f1726513dbba1add49154ce",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math-ph",
    "submitted_at": "2005-05-09T16:22:38Z",
    "title_canon_sha256": "5e348f369625138197b122e18ce36fd6ac39616ee9cb7bd39e40870ea017767f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math-ph/0505024",
    "kind": "arxiv",
    "version": 1
  }
}