Pith Number

pith:55KY6RMD

pith:2001:55KY6RMDYTZ3P7SYMOO3GURMVW

not attested not anchored not stored refs pending

Hierarchy of (2+1)-dimensional nonlinear Schroedinger equation, self-dual Yang-Mills equation, and toroidal Lie algebras

Kanehisa Takasaki, Saburo Kakei, Takeshi Ikeda

arxiv:nlin/0107065 v1 · 2001-07-30 · nlin.SI · hep-th · math-ph · math.DG · math.MP · math.QA · math.RT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{55KY6RMDYTZ3P7SYMOO3GURMVW}

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	2026-05-18T01:38:21.759098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef558f4583c4f3b7fe58639db3522cad821fc9ed36a97e0696b979fbc6c2e525

Aliases

arxiv: nlin/0107065 · arxiv_version: nlin/0107065v1 · doi: 10.48550/arxiv.nlin/0107065 · pith_short_12: 55KY6RMDYTZ3 · pith_short_16: 55KY6RMDYTZ3P7SY · pith_short_8: 55KY6RMD

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/55KY6RMDYTZ3P7SYMOO3GURMVW \
  | 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: ef558f4583c4f3b7fe58639db3522cad821fc9ed36a97e0696b979fbc6c2e525

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19e70f3851076669129ed394ca09fbaa68995f10cc4e30bf56003767f0b59a9d",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.DG",
      "math.MP",
      "math.QA",
      "math.RT"
    ],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2001-07-30T07:21:59Z",
    "title_canon_sha256": "b0a7769d553a987d48a897aca84f7b13833c49aa09d10e4d2ce71a0e5dbcbcf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0107065",
    "kind": "arxiv",
    "version": 1
  }
}