Pith Number

pith:IG7UJIBR

pith:2018:IG7UJIBRG4PD7FOG7ADXC6GIMI

not attested not anchored not stored refs pending

Fifty years of the finite nonperiodic Toda lattice: A geometric and topological viewpoint

Barbara Shipman, Yuji Kodama

arxiv:1802.02128 v1 · 2018-02-06 · nlin.SI · hep-th · 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{IG7UJIBRG4PD7FOG7ADXC6GIMI}

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	2026-05-18T00:08:15.462505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41bf44a031371e3f95c6f8077178c8621f57680e28953d2cbed7ba1b643fc615

Aliases

arxiv: 1802.02128 · arxiv_version: 1802.02128v1 · doi: 10.48550/arxiv.1802.02128 · pith_short_12: IG7UJIBRG4PD · pith_short_16: IG7UJIBRG4PD7FOG · pith_short_8: IG7UJIBR

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/IG7UJIBRG4PD7FOG7ADXC6GIMI \
  | 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: 41bf44a031371e3f95c6f8077178c8621f57680e28953d2cbed7ba1b643fc615

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a2a3c299dd528d9b67b1a4a8e312a0f272598fd18420edde6dde70af69c6c97",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2018-02-06T18:43:50Z",
    "title_canon_sha256": "51d16da9af4424bc3062f42957f8da9c0c4d81bbe12ea150f864507ff9b46a9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02128",
    "kind": "arxiv",
    "version": 1
  }
}