Pith Number

pith:QJMGXK5M

pith:2009:QJMGXK5MVZKABS5HJT6O7NCQTN

not attested not anchored not stored refs pending

Lagrangian multiform structure for the lattice Gel'fand-Dikii hierarchy

F.W. Nijhoff, S.B. Lobb

arxiv:0911.1234 v1 · 2009-11-06 · 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{QJMGXK5MVZKABS5HJT6O7NCQTN}

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	2026-05-18T02:10:58.845078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82586babacae5400cba74cfcefb4509b49216f5b8eee219153844612b90d86a4

Aliases

arxiv: 0911.1234 · arxiv_version: 0911.1234v1 · doi: 10.48550/arxiv.0911.1234 · pith_short_12: QJMGXK5MVZKA · pith_short_16: QJMGXK5MVZKABS5H · pith_short_8: QJMGXK5M

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/QJMGXK5MVZKABS5HJT6O7NCQTN \
  | 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: 82586babacae5400cba74cfcefb4509b49216f5b8eee219153844612b90d86a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5d501fff948e793322476d55ebefc0d9411fc64dbcaa3e886b9aa6a9829fc23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2009-11-06T11:54:44Z",
    "title_canon_sha256": "39e5eed2b290564b1b89eb01ba8d0a4f224575e2d2e2043a13c694a043dda14c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1234",
    "kind": "arxiv",
    "version": 1
  }
}