pith. sign in
Pith Number

pith:N33WL2OA

pith:2003:N33WL2OA3GEJCML2OH5NPFBX5E
not attested not anchored not stored refs pending

Some Bi-Hamiltonian Equations in $R^3$

Ahmet Ay, Kostyantyn Zheltukhin, Metin Gurses

arxiv:nlin/0304002 v3 · 2003-04-01 · nlin.SI

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{N33WL2OA3GEJCML2OH5NPFBX5E}

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 2026-05-18T01:38:19.440333Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6ef765e9c0d98891317a71fad79437e90d058eb05a5513856942ef33cbafdf1c

Aliases

arxiv: nlin/0304002 · arxiv_version: nlin/0304002v3 · doi: 10.48550/arxiv.nlin/0304002 · pith_short_12: N33WL2OA3GEJ · pith_short_16: N33WL2OA3GEJCML2 · pith_short_8: N33WL2OA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/N33WL2OA3GEJCML2OH5NPFBX5E \
  | 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: 6ef765e9c0d98891317a71fad79437e90d058eb05a5513856942ef33cbafdf1c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "29f6854454c7b6d39acc52badd7edf664300c3ccf1d59a84ad06dc6d25256c80",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2003-04-01T11:11:52Z",
    "title_canon_sha256": "e1315340466ead687ef0628c40ee43ffd7419ce29269daf4c09b4a3b1858534e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0304002",
    "kind": "arxiv",
    "version": 3
  }
}