Pith Number

pith:LJQLLNWE

pith:2011:LJQLLNWEG3QDQEHOHRJUUXHWXQ

not attested not anchored not stored refs pending

Discrete-time Ruijsenaars-Schneider system and Lagrangian 1-form structure

Frank Nijhoff, Sikarin Yoo-Kong

arxiv:1112.4576 v2 · 2011-12-20 · 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{LJQLLNWEG3QDQEHOHRJUUXHWXQ}

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	2026-05-18T03:20:06.743421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a60b5b6c436e03810ee3c534a5cf6bc30b54a113456c840b432817855df897b

Aliases

arxiv: 1112.4576 · arxiv_version: 1112.4576v2 · doi: 10.48550/arxiv.1112.4576 · pith_short_12: LJQLLNWEG3QD · pith_short_16: LJQLLNWEG3QDQEHO · pith_short_8: LJQLLNWE

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/LJQLLNWEG3QDQEHOHRJUUXHWXQ \
  | 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: 5a60b5b6c436e03810ee3c534a5cf6bc30b54a113456c840b432817855df897b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2275ec027675fc42e224261f4cdfad6251d0f17d1ee15c22afc8499fbd4c69d",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2011-12-20T05:42:49Z",
    "title_canon_sha256": "3cf50e1c28cd66e3e00076bbd5a0bad598671f75450188f80499ff1cbfbed4e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.4576",
    "kind": "arxiv",
    "version": 2
  }
}