Pith Number

pith:LUETHYNE

pith:2008:LUETHYNEQ3MEGO7JYLJDWZY6NR

not attested not anchored not stored refs pending

The multicomponent 2D Toda hierarchy: Discrete flows and string equations

Carlos Alvarez Fernandez, Luis Martinez Alonso, Manuel Manas

arxiv:0809.2720 v2 · 2008-09-16 · 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{LUETHYNEQ3MEGO7JYLJDWZY6NR}

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	2026-05-18T02:15:34.549403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d0933e1a486d8433be9c2d23b671e6c739beb39660cff1093658b59d3a80673

Aliases

arxiv: 0809.2720 · arxiv_version: 0809.2720v2 · doi: 10.48550/arxiv.0809.2720 · pith_short_12: LUETHYNEQ3ME · pith_short_16: LUETHYNEQ3MEGO7J · pith_short_8: LUETHYNE

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/LUETHYNEQ3MEGO7JYLJDWZY6NR \
  | 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: 5d0933e1a486d8433be9c2d23b671e6c739beb39660cff1093658b59d3a80673

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e7b898ec3d92831426b851dc4bdb7a6eddef4cea3a1b5efc6de94c24d734b26",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2008-09-16T14:34:35Z",
    "title_canon_sha256": "73d2fda86cc5d0f6160e2d007ae0a82963210ace87b2c5eaed9824bb9d8c9780"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.2720",
    "kind": "arxiv",
    "version": 2
  }
}