Pith Number

pith:DIWNV7QY

pith:2013:DIWNV7QY2MFZK5V7IC6D4K33EP

not attested not anchored not stored refs pending

A class of exact solutions of the Li\'enard type ordinary non-linear differential equation

Francisco S. N. Lobo, M. K. Mak, Tiberiu Harko

arxiv:1302.0836 v3 · 2013-02-03 · math-ph · math.MP · 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{DIWNV7QY2MFZK5V7IC6D4K33EP}

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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

Gravitational Collapse of a Chiellini Integrable Scalar Field

Receipt and verification

First computed	2026-05-18T02:32:54.548943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a2cdafe18d30b9576bf40bc3e2b7b23f29cd9d4cc373e9499bde93bd85904e4

Aliases

arxiv: 1302.0836 · arxiv_version: 1302.0836v3 · doi: 10.48550/arxiv.1302.0836 · pith_short_12: DIWNV7QY2MFZ · pith_short_16: DIWNV7QY2MFZK5V7 · pith_short_8: DIWNV7QY

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/DIWNV7QY2MFZK5V7IC6D4K33EP \
  | 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: 1a2cdafe18d30b9576bf40bc3e2b7b23f29cd9d4cc373e9499bde93bd85904e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b91a8cad22ae247c0fadb05d696fdd7c9737a081478d8c1a0c35c43d01f908f3",
    "cross_cats_sorted": [
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-02-03T13:53:04Z",
    "title_canon_sha256": "648c3025bc2479d8608448d2d550862bc22d494893d6b8cc75eca9e1b8d2a7c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0836",
    "kind": "arxiv",
    "version": 3
  }
}