Pith Number

pith:DB6DG4MH

pith:2000:DB6DG4MH7EWM6NOFNZ6WKSXF27

not attested not anchored not stored refs pending

Symmetry, singularities and integrability in complex dynamics I: the reduction problem

George P. Flessas, Peter Leach, Spiros Cotsakis

arxiv:nlin/0011001 v2 · 2000-11-02 · nlin.SI · math-ph · 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{DB6DG4MH7EWM6NOFNZ6WKSXF27}

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	2026-05-18T00:51:07.821243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

187c337187f92ccf35c56e7d654ae5d7c596dc27b8de64ed27695d1c8a3d48aa

Aliases

arxiv: nlin/0011001 · arxiv_version: nlin/0011001v2 · doi: 10.48550/arxiv.nlin/0011001 · pith_short_12: DB6DG4MH7EWM · pith_short_16: DB6DG4MH7EWM6NOF · pith_short_8: DB6DG4MH

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/DB6DG4MH7EWM6NOFNZ6WKSXF27 \
  | 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: 187c337187f92ccf35c56e7d654ae5d7c596dc27b8de64ed27695d1c8a3d48aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aaacee189180cb18a9b15c123595973a38af8cdffa1178134e7136ba3a5d2da6",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2000-11-02T11:10:05Z",
    "title_canon_sha256": "d962e5cff6d2a3ee90271cd9b568eb23e3b03ea9d095da6c893f414fd25d5d4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0011001",
    "kind": "arxiv",
    "version": 2
  }
}