Pith Number

pith:WT7GVNAS

pith:2007:WT7GVNASMO5WVRQVPNCL5TE2NP

not attested not anchored not stored refs pending

Experiments and numerical results on nonlinear vibrations of an impacting hertzian contact. Part 1: harmonic excitation

Emmanuel Rigaud (LTDS), Jo\"el Perret-Liaudet (LTDS)

arxiv:physics/0701032 v1 · 2007-01-03 · physics.class-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WT7GVNASMO5WVRQVPNCL5TE2NP}

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	2026-05-18T01:09:14.748624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4fe6ab41263bb6ac6157b44becc9a6bd41ba7d61602e662831cda2380c18fc9

Aliases

arxiv: physics/0701032 · arxiv_version: physics/0701032v1 · doi: 10.48550/arxiv.physics/0701032 · pith_short_12: WT7GVNASMO5W · pith_short_16: WT7GVNASMO5WVRQV · pith_short_8: WT7GVNAS

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/WT7GVNASMO5WVRQVPNCL5TE2NP \
  | 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: b4fe6ab41263bb6ac6157b44becc9a6bd41ba7d61602e662831cda2380c18fc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82b997f71b1ea5c773b9242bfb8877091b476e80f55d86ab0bea91e6a64c8e0b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2007-01-03T09:55:29Z",
    "title_canon_sha256": "43f5dd72977c814c86c72f8f18fa81ee6eae5d0ce655892512501bc3d1a29866"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0701032",
    "kind": "arxiv",
    "version": 1
  }
}