Pith Number

pith:2YRSLN6S

pith:2002:2YRSLN6SQCG5LVHDM7DP47OSMQ

not attested not anchored not stored refs pending

A strange recursion operator for a new integrable system of coupled Korteweg - de Vries equations

Atalay Karasu, Ayse Karasu (Kalkanli), S. Yu. Sakovich

arxiv:nlin/0203036 v2 · 2002-03-17 · nlin.SI · math-ph · math.AP · 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{2YRSLN6SQCG5LVHDM7DP47OSMQ}

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	2026-05-18T04:29:33.965919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d62325b7d2808dd5d4e367c6fe7dd2642853bd49b96d894ff2a009efa7cc532d

Aliases

arxiv: nlin/0203036 · arxiv_version: nlin/0203036v2 · doi: 10.48550/arxiv.nlin/0203036 · pith_short_12: 2YRSLN6SQCG5 · pith_short_16: 2YRSLN6SQCG5LVHD · pith_short_8: 2YRSLN6S

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/2YRSLN6SQCG5LVHDM7DP47OSMQ \
  | 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: d62325b7d2808dd5d4e367c6fe7dd2642853bd49b96d894ff2a009efa7cc532d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d42236ff4165321b75e4c586932deacc7bdcac56f3804610bb25b3e2c65cd3fb",
    "cross_cats_sorted": [
      "math-ph",
      "math.AP",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2002-03-17T13:19:23Z",
    "title_canon_sha256": "eea360aca7912f79985dc19c85f521bba6b042dea0446524a3403299044aaea8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0203036",
    "kind": "arxiv",
    "version": 2
  }
}