Pith Number

pith:UILL2FEY

pith:2014:UILL2FEYFWEP5YE2OYF4WYMEEU

not attested not anchored not stored refs pending

Synchronization of two self-excited double pendula

Krzysztof Czolczynski, Piotr Koluda, Przemyslaw Perlikowski, Tomasz Kapitaniak

arxiv:1402.1375 v1 · 2014-02-06 · physics.class-ph · 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{UILL2FEYFWEP5YE2OYF4WYMEEU}

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	2026-05-18T01:44:46.951292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a216bd14982d88fee09a760bcb6184253a983f385529af61b216ddaf7ac6735f

Aliases

arxiv: 1402.1375 · arxiv_version: 1402.1375v1 · doi: 10.48550/arxiv.1402.1375 · pith_short_12: UILL2FEYFWEP · pith_short_16: UILL2FEYFWEP5YE2 · pith_short_8: UILL2FEY

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/UILL2FEYFWEP5YE2OYF4WYMEEU \
  | 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: a216bd14982d88fee09a760bcb6184253a983f385529af61b216ddaf7ac6735f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c8dd4689939c71b498870fed7ffaa7ed25de6e72b70332f0a3d8816b181c907",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2014-02-06T15:09:18Z",
    "title_canon_sha256": "199e0d4b213464e7356c3057fcb580b6b67161680a584933865badf3d9bb5f0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.1375",
    "kind": "arxiv",
    "version": 1
  }
}