Pith Number

pith:TA3XYKZI

pith:2007:TA3XYKZI4IZJR5Z7FSNCIXTU5G

not attested not anchored not stored refs pending

Experiments and numerical results on nonlinear vibrations of an impacting hertzian contact. Part 2: random excitation

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

arxiv:physics/0701033 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{TA3XYKZI4IZJR5Z7FSNCIXTU5G}

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	2026-05-18T01:09:14.739668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98377c2b28e23298f73f2c9a245e74e99d8237c698ceba7052f43361348bb85d

Aliases

arxiv: physics/0701033 · arxiv_version: physics/0701033v1 · doi: 10.48550/arxiv.physics/0701033 · pith_short_12: TA3XYKZI4IZJ · pith_short_16: TA3XYKZI4IZJR5Z7 · pith_short_8: TA3XYKZI

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/TA3XYKZI4IZJR5Z7FSNCIXTU5G \
  | 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: 98377c2b28e23298f73f2c9a245e74e99d8237c698ceba7052f43361348bb85d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efd5ffc3fb92d9b6dc329260884970ebb02385f84d53448da1458cdcf599f308",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2007-01-03T09:56:21Z",
    "title_canon_sha256": "eeaeeee57b3404f9f3d68c7fed40a26e7b4ad97df9c306d41c7164d99df82a23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0701033",
    "kind": "arxiv",
    "version": 1
  }
}