Pith Number

pith:2Z4KOP5N

pith:2005:2Z4KOP5NRZCJED3M2HKTMLNDA4

not attested not anchored not stored refs pending

Fermionic one- and two-dimensional Toda lattice hierarchies and their bi-Hamiltonian structures

A.S. Sorin, V.G. Kadyshevsky, V.V. Gribanov

arxiv:nlin/0506041 v1 · 2005-06-20 · 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{2Z4KOP5NRZCJED3M2HKTMLNDA4}

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	2026-05-18T04:17:54.475829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d678a73fad8e44920f6cd1d5362da30707fd20586867bbb7bb2c145cc141d6ad

Aliases

arxiv: nlin/0506041 · arxiv_version: nlin/0506041v1 · doi: 10.48550/arxiv.nlin/0506041 · pith_short_12: 2Z4KOP5NRZCJ · pith_short_16: 2Z4KOP5NRZCJED3M · pith_short_8: 2Z4KOP5N

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/2Z4KOP5NRZCJED3M2HKTMLNDA4 \
  | 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: d678a73fad8e44920f6cd1d5362da30707fd20586867bbb7bb2c145cc141d6ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfe7454b046b997958ebb5fd25a8477d2f29a34934731535b418ba3a2a0ad09c",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2005-06-20T17:15:56Z",
    "title_canon_sha256": "c82f94cacae7c6066e5c2dbe162a05a8b9edce197f06a1489003c8e46e73c73a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0506041",
    "kind": "arxiv",
    "version": 1
  }
}