Pith Number

pith:66INU4SM

pith:2014:66INU4SMRTHN2MMY3YVMDOWBS6

not attested not anchored not stored refs pending

On the complete Lie point symmetries classification of the mixed quadratic-linear Li$\acute{\textbf{e}}$nard type equation $\ddot{x}+f(x)\dot{x}^2+g(x)\dot{x}+h(x)=0$

Ajey K. Tiwari, M. Lakshmanan, M. Senthilvelan, S. N. Pandey

arxiv:1402.3407 v1 · 2014-02-14 · nlin.SI · 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{66INU4SMRTHN2MMY3YVMDOWBS6}

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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.

Receipt and verification

First computed	2026-05-18T02:59:05.273196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f790da724c8ccedd3198de2ac1bac197b9780b6588425a3a5dcd310c8ccb7560

Aliases

arxiv: 1402.3407 · arxiv_version: 1402.3407v1 · doi: 10.48550/arxiv.1402.3407 · pith_short_12: 66INU4SMRTHN · pith_short_16: 66INU4SMRTHN2MMY · pith_short_8: 66INU4SM

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/66INU4SMRTHN2MMY3YVMDOWBS6 \
  | 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: f790da724c8ccedd3198de2ac1bac197b9780b6588425a3a5dcd310c8ccb7560

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed6ac9ea87956b844e3f1ed4c0eecc5aeb4fa08c9d24f20bc07547ec01bc3d20",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2014-02-14T09:37:49Z",
    "title_canon_sha256": "f27c6a5134f1620f41e97ff942b4b03c376396be5ec9fad81ffc42f94ab89329"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.3407",
    "kind": "arxiv",
    "version": 1
  }
}