Pith Number

pith:2WCWMMOJ

pith:2003:2WCWMMOJZHHQET2RF7TRUCZ2OU

not attested not anchored not stored refs pending

Parameter exclusions in Henon-like systems

Marcelo Viana, Stefano Luzzatto

arxiv:math/0304167 v1 · 2003-04-14 · math.DS · 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{2WCWMMOJZHHQET2RF7TRUCZ2OU}

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	2026-05-18T01:38:29.128287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5856631c9c9cf024f512fe71a0b3a752d14344445239f88d67fd1c00ee937d1

Aliases

arxiv: math/0304167 · arxiv_version: math/0304167v1 · doi: 10.48550/arxiv.math/0304167 · pith_short_12: 2WCWMMOJZHHQ · pith_short_16: 2WCWMMOJZHHQET2R · pith_short_8: 2WCWMMOJ

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/2WCWMMOJZHHQET2RF7TRUCZ2OU \
  | 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: d5856631c9c9cf024f512fe71a0b3a752d14344445239f88d67fd1c00ee937d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af49211b56764fa77305fb1b1192a1cc0e4427307f0b3a4b1f7015a628d30ae5",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math.DS",
    "submitted_at": "2003-04-14T09:52:02Z",
    "title_canon_sha256": "fa74cf8358a92c36561e547b513da13c518c9af5511ccfb1ce3a0b0d6a977eab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0304167",
    "kind": "arxiv",
    "version": 1
  }
}