Pith Number

pith:D72LEWPO

pith:2011:D72LEWPO7ESDJPV7P5SLFXMFZP

not attested not anchored not stored refs pending

Discrete-time Calogero-Moser system and Lagrangian 1-form structure

Frank Nijhoff, Sarah Lobb, Sikarin Yoo-Kong

arxiv:1102.0663 v1 · 2011-02-03 · 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{D72LEWPO7ESDJPV7P5SLFXMFZP}

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	2026-05-18T04:07:52.667675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ff4b259eef92434bebf7f64b2dd85cbdb1a48954b89ff85080c4d72a4bd09f5

Aliases

arxiv: 1102.0663 · arxiv_version: 1102.0663v1 · doi: 10.48550/arxiv.1102.0663 · pith_short_12: D72LEWPO7ESD · pith_short_16: D72LEWPO7ESDJPV7 · pith_short_8: D72LEWPO

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/D72LEWPO7ESDJPV7P5SLFXMFZP \
  | 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: 1ff4b259eef92434bebf7f64b2dd85cbdb1a48954b89ff85080c4d72a4bd09f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c3be4af57bbf172357b66cfca5a805cb69594eafd4a203d931c4574e134e575",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2011-02-03T12:32:58Z",
    "title_canon_sha256": "06fea758f8399bcb68b6a3a3cae8e0c448c6b7b6f9c1db8d1ea2a65531856e9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0663",
    "kind": "arxiv",
    "version": 1
  }
}