Pith Number

pith:G4HN3ETG

pith:2012:G4HN3ETG6NSUON7CEDMI3AYRJ5

not attested not anchored not stored refs pending

Vibrational and acoustical characteristics of the piano soundboard

Kerem Ege (LMS), Xavier Boutillon (LMS)

arxiv:1212.3068 v1 · 2012-12-13 · 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{G4HN3ETG6NSUON7CEDMI3AYRJ5}

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	2026-05-18T03:38:33.831985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

370edd9266f3654737e220d88d83114f610bdd73db67fc122e0b415f0f218d01

Aliases

arxiv: 1212.3068 · arxiv_version: 1212.3068v1 · doi: 10.48550/arxiv.1212.3068 · pith_short_12: G4HN3ETG6NSU · pith_short_16: G4HN3ETG6NSUON7C · pith_short_8: G4HN3ETG

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/G4HN3ETG6NSUON7CEDMI3AYRJ5 \
  | 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: 370edd9266f3654737e220d88d83114f610bdd73db67fc122e0b415f0f218d01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc796eb76910d3c4f055f02d5746da581502fbcaaf681ed817a5ac012ae1407f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2012-12-13T07:14:44Z",
    "title_canon_sha256": "f767ea120df3a34add4b982f121d002be6f2c8fc81de73fe48730ab5a75b0130"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.3068",
    "kind": "arxiv",
    "version": 1
  }
}