Pith Number

pith:RCJRV7UJ

pith:2002:RCJRV7UJDFNQDJZLIC6YU4NOU6

not attested not anchored not stored refs pending

An integrable system on the moduli space of rational functions and its variants

Kanehisa Takasaki, Takashi Takebe

arxiv:nlin/0202042 v2 · 2002-02-20 · nlin.SI · hep-th · math.QA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RCJRV7UJDFNQDJZLIC6YU4NOU6}

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	2026-05-18T01:38:21.515720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88931afe89195b01a72b40bd8a71aea7b8bc42ebdf706ddd50279985eda20a3a

Aliases

arxiv: nlin/0202042 · arxiv_version: nlin/0202042v2 · doi: 10.48550/arxiv.nlin/0202042 · pith_short_12: RCJRV7UJDFNQ · pith_short_16: RCJRV7UJDFNQDJZL · pith_short_8: RCJRV7UJ

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/RCJRV7UJDFNQDJZLIC6YU4NOU6 \
  | 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: 88931afe89195b01a72b40bd8a71aea7b8bc42ebdf706ddd50279985eda20a3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "964fe6a930018fc469bbffdd360d0d07ab2efc6dc33e51d5db911fbf872cf6f3",
    "cross_cats_sorted": [
      "hep-th",
      "math.QA"
    ],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2002-02-20T07:00:48Z",
    "title_canon_sha256": "e56871d0843cbbf51306f1544abd3ddf37ed1b7a4261a172da98b867072cb25f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0202042",
    "kind": "arxiv",
    "version": 2
  }
}