Pith Number

pith:V7FS752G

pith:2026:V7FS752G3HBY5MZ2GGMSLKU4W4

not attested not anchored not stored refs pending

Hierarchical fragmentation of regular islands in a discontinuous nontwist map

Edson Denis Leonel, Iber\^e Luiz Caldas, Jos\'e Danilo Szezech Jr, Leonardo Costa de Souza, Matheus Rolim Sales, Michele Mugnaine

arxiv:2603.17120 v2 · 2026-03-17 · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V7FS752G3HBY5MZ2GGMSLKU4W4}

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	2026-06-02T03:04:40.417330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afcb2ff746d9c38eb33a319925aa9cb71b77bd725b18092dfe83d349134f72bc

Aliases

arxiv: 2603.17120 · arxiv_version: 2603.17120v2 · doi: 10.48550/arxiv.2603.17120 · pith_short_12: V7FS752G3HBY · pith_short_16: V7FS752G3HBY5MZ2 · pith_short_8: V7FS752G

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/V7FS752G3HBY5MZ2GGMSLKU4W4 \
  | 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: afcb2ff746d9c38eb33a319925aa9cb71b77bd725b18092dfe83d349134f72bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fad28b48402b3d00cd3784e5c203e525adcbd04a0257e02bc99922d07a3fece",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2026-03-17T20:22:49Z",
    "title_canon_sha256": "58ed4892230e6ff3cc7c7353322485a7e072dc21fa377150ac1288dccafa8e83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.17120",
    "kind": "arxiv",
    "version": 2
  }
}