Pith Number

pith:6X7K7ZWH

pith:2005:6X7K7ZWHT5WZLDOC6OQ2MCSJ4S

not attested not anchored not stored refs pending

Extended Prelle-Singer Method and Integrability/Solvability of a Class of Nonlinear $n$th Order Ordinary Differential Equations

M Lakshmanan, M Senthilvelan, V K Chandrasekar

arxiv:nlin/0501045 v1 · 2005-01-25 · 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{6X7K7ZWHT5WZLDOC6OQ2MCSJ4S}

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	2026-05-18T01:38:18.766941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5feafe6c79f6d958dc2f3a1a60a49e4bdc761adc7fb651f9e2efefc555a5674

Aliases

arxiv: nlin/0501045 · arxiv_version: nlin/0501045v1 · doi: 10.48550/arxiv.nlin/0501045 · pith_short_12: 6X7K7ZWHT5WZ · pith_short_16: 6X7K7ZWHT5WZLDOC · pith_short_8: 6X7K7ZWH

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/6X7K7ZWHT5WZLDOC6OQ2MCSJ4S \
  | 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: f5feafe6c79f6d958dc2f3a1a60a49e4bdc761adc7fb651f9e2efefc555a5674

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a79ea3bafe1be7eb73d396a2a75e6b8bb6f5f2aaf4215fbdffb60f880ee271c3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2005-01-25T09:08:01Z",
    "title_canon_sha256": "bfcbae59857c458f2c05783c00944ac24fc0f3632c2aa65d63965e642b80806d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0501045",
    "kind": "arxiv",
    "version": 1
  }
}