Pith Number

pith:YGKE63HG

pith:2012:YGKE63HGCN6EFCPYH4VK4XKURN

not attested not anchored not stored refs pending

Oscillation threshold of a clarinet model: a numerical continuation approach

Bruno Cochelin (LMA), Christophe Vergez (LMA), Sami Karkar (LMA)

arxiv:1202.2562 v1 · 2012-02-12 · 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{YGKE63HGCN6EFCPYH4VK4XKURN}

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	2026-05-18T04:02:26.205465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1944f6ce6137c4289f83f2aae5d548b78a543821d6e74f0094d9be094768d55

Aliases

arxiv: 1202.2562 · arxiv_version: 1202.2562v1 · doi: 10.48550/arxiv.1202.2562 · pith_short_12: YGKE63HGCN6E · pith_short_16: YGKE63HGCN6EFCPY · pith_short_8: YGKE63HG

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/YGKE63HGCN6EFCPYH4VK4XKURN \
  | 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: c1944f6ce6137c4289f83f2aae5d548b78a543821d6e74f0094d9be094768d55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f9ad0189d7521d760b74ad22e02c8f57233d23918e5fd6d9fe3704b29cc6449",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2012-02-12T20:09:30Z",
    "title_canon_sha256": "70ca7079deb7bf469013b19cf0d85fdda3c0cd2baf8d127cf99be4c3895805b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2562",
    "kind": "arxiv",
    "version": 1
  }
}