Pith Number

pith:YEH3JH2Y

pith:2003:YEH3JH2YRIYKXKNUONDYMFIJ4D

not attested not anchored not stored refs pending

A simple way of making a Hamiltonian system into a bi-Hamiltonian one

A. Sergyeyev

arxiv:nlin/0310012 v2 · 2003-10-13 · nlin.SI · hep-th · math-ph · math.DG · math.MP · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YEH3JH2YRIYKXKNUONDYMFIJ4D}

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.

Cited by

1 paper in Pith

Reduction of a bi-Hamiltonian hierarchy on $T^*\mathrm{U}(n)$ to spin Ruijsenaars--Sutherland models

Receipt and verification

First computed	2026-07-04T14:41:48.851020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c10fb49f588a30aba9b47347861509e0d8093b65155e4e7300d4cf08815f772e

Aliases

arxiv: nlin/0310012 · arxiv_version: nlin/0310012v2 · doi: 10.48550/arxiv.nlin/0310012 · pith_short_12: YEH3JH2YRIYK · pith_short_16: YEH3JH2YRIYKXKNU · pith_short_8: YEH3JH2Y

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/YEH3JH2YRIYKXKNUONDYMFIJ4D \
  | 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: c10fb49f588a30aba9b47347861509e0d8093b65155e4e7300d4cf08815f772e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "669e0c39c886b4a9fe75afda9249e83f03a5f3bb90bb25c617b16e61035b39c5",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.DG",
      "math.MP",
      "math.SG"
    ],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2003-10-13T15:43:56Z",
    "title_canon_sha256": "f9512ad6c09b66d2056e8755f2188ac99c90669fa42dfa6d6442fbac9282505e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0310012",
    "kind": "arxiv",
    "version": 2
  }
}