Pith Number

pith:W2YT2BOE

pith:2002:W2YT2BOEJA4DNICZEA4KWYZRKX

not attested not anchored not stored refs pending

Lax pair formulation of the N=4 Toda chain (KdV) hierarchy in N=4 superspace

A.S. Sorin, F. Delduc

arxiv:nlin/0203006 v1 · 2002-03-05 · nlin.SI · hep-th · 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{W2YT2BOEJA4DNICZEA4KWYZRKX}

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	2026-07-04T16:35:14.610097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6b13d05c4483836a0592038ab633155dd87778045d8256675da41b3120ec757

Aliases

arxiv: nlin/0203006 · arxiv_version: nlin/0203006v1 · doi: 10.48550/arxiv.nlin/0203006 · pith_short_12: W2YT2BOEJA4D · pith_short_16: W2YT2BOEJA4DNICZ · pith_short_8: W2YT2BOE

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/W2YT2BOEJA4DNICZEA4KWYZRKX \
  | 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: b6b13d05c4483836a0592038ab633155dd87778045d8256675da41b3120ec757

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0193674da1d2716b7675b6f53b55add4242ee299854680b69847f3a1de146bcf",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2002-03-05T14:46:10Z",
    "title_canon_sha256": "3a62971d3515b858f2f8532a329db778742e1bf9f622688a1e35c7cff92f8c84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0203006",
    "kind": "arxiv",
    "version": 1
  }
}