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Pith Number

pith:6AY3UHSJ

pith:2001:6AY3UHSJVKSQP2DGDZND3BCMDD
not attested not anchored not stored refs pending

Variational approach to a class of nonlinear oscillators with several limit cycles

J. Mura, M. C. Depassier

arxiv:nlin/0103034 v1 · 2001-03-22 · nlin.CD

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6AY3UHSJVKSQP2DGDZND3BCMDD}

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 2026-05-18T01:05:22.215587Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f031ba1e49aaa507e8661e5a3d844c18e48009682ce7e18cc0246a148f5c7181

Aliases

arxiv: nlin/0103034 · arxiv_version: nlin/0103034v1 · doi: 10.48550/arxiv.nlin/0103034 · pith_short_12: 6AY3UHSJVKSQ · pith_short_16: 6AY3UHSJVKSQP2DG · pith_short_8: 6AY3UHSJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6AY3UHSJVKSQP2DGDZND3BCMDD \
  | 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: f031ba1e49aaa507e8661e5a3d844c18e48009682ce7e18cc0246a148f5c7181
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "43e64ada88438c3ad8200d499873d864449ab49a6064e3e8ae96ebf77c741657",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.CD",
    "submitted_at": "2001-03-22T17:07:08Z",
    "title_canon_sha256": "5ed39220fc0d40e777bd16f2eb0eba92a5f477f78b5d9c6258b39ab600974406"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0103034",
    "kind": "arxiv",
    "version": 1
  }
}