Pith Number

pith:UB54HYHK

pith:2013:UB54HYHKTX343H2I3HV5MSNMAE

not attested not anchored not stored refs pending

A new approach to the Lenard-Magri scheme of integrability

Alberto De Sole, Refik Turhan, Victor G. Kac

arxiv:1303.3438 v1 · 2013-03-14 · math-ph · math.MP · math.RA · math.RT · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UB54HYHKTX343H2I3HV5MSNMAE}

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	2026-05-18T01:24:11.464391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a07bc3e0ea9df7cd9f48d9ebd649ac01004e242c60b113625ce616f96a688f4f

Aliases

arxiv: 1303.3438 · arxiv_version: 1303.3438v1 · doi: 10.48550/arxiv.1303.3438 · pith_short_12: UB54HYHKTX34 · pith_short_16: UB54HYHKTX343H2I · pith_short_8: UB54HYHK

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/UB54HYHKTX343H2I3HV5MSNMAE \
  | 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: a07bc3e0ea9df7cd9f48d9ebd649ac01004e242c60b113625ce616f96a688f4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b66e17135007bf09ddb5cd3fecd4220cc795a593ee6c623649adb463ea26d72f",
    "cross_cats_sorted": [
      "math.MP",
      "math.RA",
      "math.RT",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-03-14T13:21:14Z",
    "title_canon_sha256": "a985db8561ce15f6313c43dd516e3e1e1978929654695f8d850d5ad763c8848b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3438",
    "kind": "arxiv",
    "version": 1
  }
}