Pith Number

pith:ZQQPV5VY

pith:2013:ZQQPV5VYG6JP5A3K5JGQJT7PEW

not attested not anchored not stored refs pending

Integrable equations with Ermakov-Pinney nonlinearities and Chiellini damping

Haret C. Rosu, Stefan C. Mancas

arxiv:1301.3567 v4 · 2013-01-16 · 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{ZQQPV5VYG6JP5A3K5JGQJT7PEW}

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	2026-05-18T02:25:34.415031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc20faf6b83792fe836aea4d04cfef25bbd94daf5a6110f8fdb3d32f43bf71ab

Aliases

arxiv: 1301.3567 · arxiv_version: 1301.3567v4 · doi: 10.48550/arxiv.1301.3567 · pith_short_12: ZQQPV5VYG6JP · pith_short_16: ZQQPV5VYG6JP5A3K · pith_short_8: ZQQPV5VY

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/ZQQPV5VYG6JP5A3K5JGQJT7PEW \
  | 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: cc20faf6b83792fe836aea4d04cfef25bbd94daf5a6110f8fdb3d32f43bf71ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dccb052199d02cf72528494e563b6616eaf1cd76ceb93c9ee4eafc789513c547",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-01-16T03:14:53Z",
    "title_canon_sha256": "5eb28837a90a73440c4b9ae91653cbf442e67b5679de64c8f5086ed0257c3aa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.3567",
    "kind": "arxiv",
    "version": 4
  }
}