Pith Number

pith:LLJD4S76

pith:2013:LLJD4S76YM6XXH3EEC4YMRB2AD

not attested not anchored not stored refs pending

Extensions of Hamiltonian systems dependent on a rational parameter

Claudia M. Chanu, Giovanni Rastelli, Luca Degiovanni

arxiv:1310.5690 v1 · 2013-10-21 · math-ph · math.MP · 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{LLJD4S76YM6XXH3EEC4YMRB2AD}

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	2026-05-18T01:46:56.740435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ad23e4bfec33d7b9f6420b986443a00db61dc085f5f8388a840be9341e75f7a

Aliases

arxiv: 1310.5690 · arxiv_version: 1310.5690v1 · doi: 10.48550/arxiv.1310.5690 · pith_short_12: LLJD4S76YM6X · pith_short_16: LLJD4S76YM6XXH3E · pith_short_8: LLJD4S76

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/LLJD4S76YM6XXH3EEC4YMRB2AD \
  | 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: 5ad23e4bfec33d7b9f6420b986443a00db61dc085f5f8388a840be9341e75f7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7012fed76d8a830650e4ab3586fb61cd6dd7ed3113b9d85ff9458e73ca551f14",
    "cross_cats_sorted": [
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-10-21T19:51:29Z",
    "title_canon_sha256": "296c0a8115fdd24f5375370e33352bb73ee6c40bad88d7c7936f28fbeb7c80ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.5690",
    "kind": "arxiv",
    "version": 1
  }
}