Pith Number

pith:ZHUJKKPH

pith:2026:ZHUJKKPH4HTJMFKAYUVGAWOGBY

not attested not anchored not stored refs pending

On the Darboux-Halphen system: Jacobi vs Lie

A.V. Tsiganov

arxiv:2605.13463 v1 · 2026-05-13 · nlin.SI · math-ph · math.DS · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZHUJKKPH4HTJMFKAYUVGAWOGBY}

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	2026-05-18T02:44:41.671850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9e89529e7e1e6961540c52a6059c60e3091e945fb95b70a316a199ee07a62cd

Aliases

arxiv: 2605.13463 · arxiv_version: 2605.13463v1 · doi: 10.48550/arxiv.2605.13463 · pith_short_12: ZHUJKKPH4HTJ · pith_short_16: ZHUJKKPH4HTJMFKA · pith_short_8: ZHUJKKPH

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/ZHUJKKPH4HTJMFKAYUVGAWOGBY \
  | 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: c9e89529e7e1e6961540c52a6059c60e3091e945fb95b70a316a199ee07a62cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04f49137d97a652fbcc496b509d57e8122ca09e3d273388207ffd9115e116d20",
    "cross_cats_sorted": [
      "math-ph",
      "math.DS",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2026-05-13T12:53:35Z",
    "title_canon_sha256": "fcfe1af7fdcbce391c887bbe4f4e75405f5e474c41b0713b6448e74fae360563"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.13463",
    "kind": "arxiv",
    "version": 1
  }
}