Pith Number

pith:G6PHRCFU

pith:2006:G6PHRCFU3WUCDQI5PZ5WCQMSP6

not attested not anchored not stored refs pending

Painleve' property of the He'non-Heiles Hamiltonians

Caroline Verhoeven (VUB Brussel), Micheline Musette, Robert Conte (CEA Saclay)

arxiv:nlin/0604012 v1 · 2006-04-06 · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G6PHRCFU3WUCDQI5PZ5WCQMSP6}

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	2026-05-18T02:49:02.429874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

379e7888b4dda821c11d7e7b6141927fb3bfd32212960748d4e17dbba8271204

Aliases

arxiv: nlin/0604012 · arxiv_version: nlin/0604012v1 · doi: 10.48550/arxiv.nlin/0604012 · pith_short_12: G6PHRCFU3WUC · pith_short_16: G6PHRCFU3WUCDQI5 · pith_short_8: G6PHRCFU

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/G6PHRCFU3WUCDQI5PZ5WCQMSP6 \
  | 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: 379e7888b4dda821c11d7e7b6141927fb3bfd32212960748d4e17dbba8271204

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28aed0e69e512c57af5f1838482da98d6be3b7e63ff52df7e200bd1f7302fcd4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2006-04-06T15:03:19Z",
    "title_canon_sha256": "5bf0dbb4249f7faa57e8ebd81a8e19a1a0ab559bc50a95f0a3b7157f8b7a6e5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0604012",
    "kind": "arxiv",
    "version": 1
  }
}