Pith Number

pith:J5BYY7QP

pith:2004:J5BYY7QPMLCXGV4CBULYWUM74P

not attested not anchored not stored refs pending

Surrogate Test to Distinguish between Chaotic and Pseudoperiodic Time Series

Michael Small, Tomomichi Nakamura, Xiaodong Luo

arxiv:nlin/0404054 v3 · 2004-04-29 · 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{J5BYY7QPMLCXGV4CBULYWUM74P}

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.

Cited by

1 paper in Pith

Recurrence Network Analysis of Exoplanetary Observables

Receipt and verification

First computed	2026-07-04T14:41:51.351847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f438c7e0f62c57357820d178b519fe3ec650f7e2c063c7e7bfa1e6513399c51

Aliases

arxiv: nlin/0404054 · arxiv_version: nlin/0404054v3 · doi: 10.48550/arxiv.nlin/0404054 · pith_short_12: J5BYY7QPMLCX · pith_short_16: J5BYY7QPMLCXGV4C · pith_short_8: J5BYY7QP

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/J5BYY7QPMLCXGV4CBULYWUM74P \
  | 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: 4f438c7e0f62c57357820d178b519fe3ec650f7e2c063c7e7bfa1e6513399c51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17949b936658c9ed458aa4315bac73a71733563d67807cc12252b9a8a764e2f8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.CD",
    "submitted_at": "2004-04-29T12:32:43Z",
    "title_canon_sha256": "68dd4f7026afa7144965fa84d661b58786af3dc36516f0245c120459bdc3d0c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0404054",
    "kind": "arxiv",
    "version": 3
  }
}