Pith Number

pith:255W3XYI

pith:2009:255W3XYIJS4UGBPMMVV6TPTIHC

not attested not anchored not stored refs pending

On the non-equivalence of Lorenz System and Chen System

Guanrong Chen, Guojun Yan, Ning Kang, Xiangxing Kong, Zhenting Hou

arxiv:0904.3594 v1 · 2009-04-23 · math.DS · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{255W3XYIJS4UGBPMMVV6TPTIHC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:13:57.883149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d77b6ddf084cb94305ec656be9be6838a69c7f5e06adb42616388156f25ea276

Aliases

arxiv: 0904.3594 · arxiv_version: 0904.3594v1 · doi: 10.48550/arxiv.0904.3594 · pith_short_12: 255W3XYIJS4U · pith_short_16: 255W3XYIJS4UGBPM · pith_short_8: 255W3XYI

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/255W3XYIJS4UGBPMMVV6TPTIHC \
  | 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: d77b6ddf084cb94305ec656be9be6838a69c7f5e06adb42616388156f25ea276

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d94043cbc8bb104508c1f4b41b5f25ee8a5e1f801653b442fc75f5e37e9e656",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2009-04-23T03:45:47Z",
    "title_canon_sha256": "377b1b023382f9af7cc127c28a89205e1790e708eaf1657b982f5ad6b4f35c0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3594",
    "kind": "arxiv",
    "version": 1
  }
}