Pith Number

pith:PWITPP53

pith:2013:PWITPP53ECIAW5BG6FXJ4UV77Z

not attested not anchored not stored refs pending

Nonlinear normal modes of a two degree of freedom oscillator with a bilateral elastic stop

Bruno Cochelin (LMA), El Hadi Moussi (LMA, I. Nistor (LAMSID), LAMSID), Sergio Bellizzi (LMA)

arxiv:1302.0805 v1 · 2013-02-04 · 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{PWITPP53ECIAW5BG6FXJ4UV77Z}

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	2026-05-18T03:34:36.270360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d9137bfbb20900b7426f16e9e52bffe651dddf2a345172847bb6351f8d6389b

Aliases

arxiv: 1302.0805 · arxiv_version: 1302.0805v1 · doi: 10.48550/arxiv.1302.0805 · pith_short_12: PWITPP53ECIA · pith_short_16: PWITPP53ECIAW5BG · pith_short_8: PWITPP53

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/PWITPP53ECIAW5BG6FXJ4UV77Z \
  | 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: 7d9137bfbb20900b7426f16e9e52bffe651dddf2a345172847bb6351f8d6389b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "875428ad62faa9c614f7bec9e149c366197d27d1528895cca604cc7716eadfc2",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2013-02-04T19:32:02Z",
    "title_canon_sha256": "976c86cc0e99fcbc09c94badfb88845d17aa749375c11a19b458b355e723b76f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0805",
    "kind": "arxiv",
    "version": 1
  }
}