Pith Number

pith:IKUNWOTT

pith:2013:IKUNWOTTOIQLJI66YQY6DFMQWJ

not attested not anchored not stored refs pending

Fractal geometry of non-uniformly hyperbolic horseshoes

Carlos Matheus

arxiv:1311.1452 v1 · 2013-11-06 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IKUNWOTTOIQLJI66YQY6DFMQWJ}

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	2026-05-18T03:07:53.267831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42a8db3a737220b4a3dec431e19590b27638a63736526aa437a7099b3a1a98a9

Aliases

arxiv: 1311.1452 · arxiv_version: 1311.1452v1 · doi: 10.48550/arxiv.1311.1452 · pith_short_12: IKUNWOTTOIQL · pith_short_16: IKUNWOTTOIQLJI66 · pith_short_8: IKUNWOTT

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/IKUNWOTTOIQLJI66YQY6DFMQWJ \
  | 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: 42a8db3a737220b4a3dec431e19590b27638a63736526aa437a7099b3a1a98a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5b36d868ebd32ed205304de4f7b017b41c7d7df9cf9196d248e5f873eb4283d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2013-11-06T17:18:31Z",
    "title_canon_sha256": "f584422c4f8f8c486662aa0228c2468d7b56537a351d47a96552c704bf15dea2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1452",
    "kind": "arxiv",
    "version": 1
  }
}