Pith Number

pith:Z2NLPULS

pith:2012:Z2NLPULSSOEQ6A3MNBZOIALX3D

not attested not anchored not stored refs pending

Generalized Lenard Chains, Separation of Variables and Superintegrability

Giorgio Tondo, Piergiulio Tempesta

arxiv:1205.6937 v1 · 2012-05-31 · nlin.SI · 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{Z2NLPULSSOEQ6A3MNBZOIALX3D}

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	2026-05-18T01:57:09.494518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce9ab7d17293890f036c6872e40177d8e72e242998860b3974dc163b6fe020e5

Aliases

arxiv: 1205.6937 · arxiv_version: 1205.6937v1 · doi: 10.48550/arxiv.1205.6937 · pith_short_12: Z2NLPULSSOEQ · pith_short_16: Z2NLPULSSOEQ6A3M · pith_short_8: Z2NLPULS

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/Z2NLPULSSOEQ6A3MNBZOIALX3D \
  | 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: ce9ab7d17293890f036c6872e40177d8e72e242998860b3974dc163b6fe020e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18863f59ee925ce7b122e01e1860b447c1241176d35e4ac6253d02fcb868cfb9",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2012-05-31T09:46:12Z",
    "title_canon_sha256": "62a061ac016c4c606824728f6b3ca11e4d89bd5e638573782432163990a295d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6937",
    "kind": "arxiv",
    "version": 1
  }
}