Pith Number

pith:KRCJM2RY

pith:2017:KRCJM2RY7AXYF54IRDCHZRH26R

not attested not anchored not stored refs pending

Nonlinear forms of coprimeness preserving extensions to the Somos-$4$ recurrence and the two-dimensional Toda lattice equation --investigation into their extended Laurent properties--

Masataka Kanki, Ryo Kamiya, Takafumi Mase, Tetsuji Tokihiro

arxiv:1708.07917 v2 · 2017-08-26 · math-ph · math.MP · nlin.SI

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KRCJM2RY7AXYF54IRDCHZRH26R}

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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	2026-05-18T00:07:28.301546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5444966a38f82f82f78888c47cc4faf46389183b269c2f7f88283ab1cb18698e

Aliases

arxiv: 1708.07917 · arxiv_version: 1708.07917v2 · doi: 10.48550/arxiv.1708.07917 · pith_short_12: KRCJM2RY7AXY · pith_short_16: KRCJM2RY7AXYF54I · pith_short_8: KRCJM2RY

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/KRCJM2RY7AXYF54IRDCHZRH26R \
  | 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: 5444966a38f82f82f78888c47cc4faf46389183b269c2f7f88283ab1cb18698e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b0666d259f78fe1330ee05f2018c0032b815af6fd935e89f44b96c0e08fefd2",
    "cross_cats_sorted": [
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2017-08-26T02:26:33Z",
    "title_canon_sha256": "e20c6c39b57b77ff4a1e133945ce9ec4bb331649d5603e04baaf1ebb0fbaeeed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07917",
    "kind": "arxiv",
    "version": 2
  }
}