Pith Number

pith:X4T77D4J

pith:2014:X4T77D4JMUVMFR7EW5BV2WRFAI

not attested not anchored not stored refs pending

Effect of the shape of mouth pressure variation on dynamic oscillation threshold of a clarinet model

Andr\'e Almeida (LAUM), Baptiste Bergeot (LMA_CNRS), Christophe Vergez (LMA_CNRS)

arxiv:1407.3547 v1 · 2014-07-14 · 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{X4T77D4JMUVMFR7EW5BV2WRFAI}

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	2026-05-18T02:47:42.512761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf27ff8f89652ac2c7e4b7435d5a250222aac24858f9560033b090785e10798c

Aliases

arxiv: 1407.3547 · arxiv_version: 1407.3547v1 · doi: 10.48550/arxiv.1407.3547 · pith_short_12: X4T77D4JMUVM · pith_short_16: X4T77D4JMUVMFR7E · pith_short_8: X4T77D4J

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/X4T77D4JMUVMFR7EW5BV2WRFAI \
  | 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: bf27ff8f89652ac2c7e4b7435d5a250222aac24858f9560033b090785e10798c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af8a552b213100d4584973f743304e2b77c8143eca97589f39321548363334fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2014-07-14T06:45:04Z",
    "title_canon_sha256": "50e981dc0dead28648ec83f4833628f3f4c18dac913cadec7eb6559b28e20db3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.3547",
    "kind": "arxiv",
    "version": 1
  }
}