Pith Number

pith:GWVHF6HR

pith:2015:GWVHF6HRSC2Y334EDDMA7FGTWJ

not attested not anchored not stored refs pending

New chaos indicators for systems with extremely small Lyapunov exponents

Ken-ichi Okubo, Ken Umeno

arxiv:1501.00243 v5 · 2015-01-01 · 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{GWVHF6HRSC2Y334EDDMA7FGTWJ}

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	2026-05-18T02:21:51.409433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35aa72f8f190b58def8418d80f94d3b26d3dc27da5d49c0fed1504827b44a029

Aliases

arxiv: 1501.00243 · arxiv_version: 1501.00243v5 · doi: 10.48550/arxiv.1501.00243 · pith_short_12: GWVHF6HRSC2Y · pith_short_16: GWVHF6HRSC2Y334E · pith_short_8: GWVHF6HR

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/GWVHF6HRSC2Y334EDDMA7FGTWJ \
  | 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: 35aa72f8f190b58def8418d80f94d3b26d3dc27da5d49c0fed1504827b44a029

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c280fb0f7b7b34ef5505ad050859783cef5fb8559e8ef160fc2fed9907837f56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2015-01-01T03:31:33Z",
    "title_canon_sha256": "417c397211026939a676df4450379935534453505dfffe3ad877e09417f7d7ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00243",
    "kind": "arxiv",
    "version": 5
  }
}