Pith Number

pith:WQKA4JFM

pith:2012:WQKA4JFMJZCRDV6JT4T5FC6A3P

not attested not anchored not stored refs pending

Vibroacoustics of the piano soundboard: (Non)linearity and modal properties in the low and mid-frequency ranges

Kerem Ege (LVA), Marc R\'ebillat (PIMM), Xavier Boutillon (LMS)

arxiv:1212.2323 v1 · 2012-12-11 · 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{WQKA4JFMJZCRDV6JT4T5FC6A3P}

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	2026-05-18T03:10:24.333914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4140e24ac4e4511d7c99f27d28bc0dbe3263acd285f8ead446b0812018a65df

Aliases

arxiv: 1212.2323 · arxiv_version: 1212.2323v1 · doi: 10.48550/arxiv.1212.2323 · pith_short_12: WQKA4JFMJZCR · pith_short_16: WQKA4JFMJZCRDV6J · pith_short_8: WQKA4JFM

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/WQKA4JFMJZCRDV6JT4T5FC6A3P \
  | 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: b4140e24ac4e4511d7c99f27d28bc0dbe3263acd285f8ead446b0812018a65df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60f81fc301c052be6f8202684db727ce6aef965c6c26185cdc663d46b5ce5282",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2012-12-11T07:59:17Z",
    "title_canon_sha256": "5787a59c45473cba5522f223b5ad4fca88b0e54a7b26f80f599391a04d91dafc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2323",
    "kind": "arxiv",
    "version": 1
  }
}