Pith Number

pith:KAVZHTU4

pith:2008:KAVZHTU4RTGBXSRFPKMK65U7JC

not attested not anchored not stored refs pending

The invariant manifold approach applied to nonlinear dynamics of a rotor-bearing system

Cristiano Villa (LTDS), Fabrice Thouverez (LTDS), Jean-Jacques Sinou (LTDS)

arxiv:0801.3020 v1 · 2008-01-19 · physics.class-ph · 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{KAVZHTU4RTGBXSRFPKMK65U7JC}

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	2026-05-18T03:44:36.715348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

502b93ce9c8ccc1bca257a98af769f48b1cc2bf1802bde578f999789b0bacb6d

Aliases

arxiv: 0801.3020 · arxiv_version: 0801.3020v1 · doi: 10.48550/arxiv.0801.3020 · pith_short_12: KAVZHTU4RTGB · pith_short_16: KAVZHTU4RTGBXSRF · pith_short_8: KAVZHTU4

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/KAVZHTU4RTGBXSRFPKMK65U7JC \
  | 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: 502b93ce9c8ccc1bca257a98af769f48b1cc2bf1802bde578f999789b0bacb6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2103e45aa1458bc12143df799559f21886ac571fc8dfb2a705f9ce9c40df6bd0",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2008-01-19T07:50:44Z",
    "title_canon_sha256": "016878f0fa025c76484267b8734d937cd9b4ed8fbe2e5178240dbc638af4d063"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.3020",
    "kind": "arxiv",
    "version": 1
  }
}