Pith Number

pith:JQWODG3C

pith:2004:JQWODG3CB7ADQ6ABI6IHDYKOKK

not attested not anchored not stored refs pending

On reductions of some KdV-type systems and their link to the quartic He'non-Heiles Hamiltonian

Caroline Verhoeven, Micheline Musette, Robert Conte

arxiv:nlin/0405034 v1 · 2004-05-13 · nlin.SI · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JQWODG3CB7ADQ6ABI6IHDYKOKK}

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	2026-05-18T00:32:55.942160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c2ce19b620fc0387801479071e14e52bee94e8d9670a941de7126df22cc1627

Aliases

arxiv: nlin/0405034 · arxiv_version: nlin/0405034v1 · doi: 10.48550/arxiv.nlin/0405034 · pith_short_12: JQWODG3CB7AD · pith_short_16: JQWODG3CB7ADQ6AB · pith_short_8: JQWODG3C

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/JQWODG3CB7ADQ6ABI6IHDYKOKK \
  | 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: 4c2ce19b620fc0387801479071e14e52bee94e8d9670a941de7126df22cc1627

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30c6d7e31ff553de7b45f09af8f0614ef439494e92fdb0663a1fa6b102678c86",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2004-05-13T13:10:15Z",
    "title_canon_sha256": "c2aea17714dc7a57110b86e1f2b51718ceb5dfb550c0eaac0b735f2500c3eaf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0405034",
    "kind": "arxiv",
    "version": 1
  }
}