Pith Number

pith:2OYPT4YG

pith:2003:2OYPT4YGX377PREUCIBVMMJQRC

not attested not anchored not stored refs pending

An analysis of chaos via contact transformation

Sadataka Furui

arxiv:nlin/0305042 v1 · 2003-05-22 · 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{2OYPT4YGX377PREUCIBVMMJQRC}

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	2026-05-18T01:38:19.366772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3b0f9f306befff7c494120356313088bd93a62542f27cde2e07846a3d0b07fc

Aliases

arxiv: nlin/0305042 · arxiv_version: nlin/0305042v1 · doi: 10.48550/arxiv.nlin/0305042 · pith_short_12: 2OYPT4YGX377 · pith_short_16: 2OYPT4YGX377PREU · pith_short_8: 2OYPT4YG

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/2OYPT4YGX377PREUCIBVMMJQRC \
  | 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: d3b0f9f306befff7c494120356313088bd93a62542f27cde2e07846a3d0b07fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69b3a7c92a0cff463cd73cb33494bdb023033c1be5691ac3928843a3722a8eb5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.CD",
    "submitted_at": "2003-05-22T09:40:35Z",
    "title_canon_sha256": "a8242fd21300be2645b22779a03e76677ffe6e923e4d4913d1c02cdfd870d78e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0305042",
    "kind": "arxiv",
    "version": 1
  }
}