Pith Number

pith:J53MZFFP

pith:2002:J53MZFFPO2XBXRBLKSUJDD24MT

not attested not anchored not stored refs pending

Category of nonlinear evolution equations, algebraic structure, and r-matrix

Cewen Cao, Walter Strampp, Zhijun Qiao

arxiv:nlin/0201066 v1 · 2002-01-31 · nlin.SI · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J53MZFFPO2XBXRBLKSUJDD24MT}

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	2026-05-18T01:38:21.554003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f76cc94af76ae1bc42b54a8918f5c64c5bbf4c2ba5c9520fecbbc2d7a686360

Aliases

arxiv: nlin/0201066 · arxiv_version: nlin/0201066v1 · doi: 10.48550/arxiv.nlin/0201066 · pith_short_12: J53MZFFPO2XB · pith_short_16: J53MZFFPO2XBXRBL · pith_short_8: J53MZFFP

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/J53MZFFPO2XBXRBLKSUJDD24MT \
  | 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: 4f76cc94af76ae1bc42b54a8918f5c64c5bbf4c2ba5c9520fecbbc2d7a686360

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "caf5f82a99f8a45eaf579714344c7dd0b72188af71f67c491059f5136ceee3eb",
    "cross_cats_sorted": [
      "nlin.PS"
    ],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2002-01-31T18:37:24Z",
    "title_canon_sha256": "49d7c62d0eebabd83799c71717dcaebdff5b0fb94c7a1a39735fdb7889fb07e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0201066",
    "kind": "arxiv",
    "version": 1
  }
}