Pith Number

pith:KOA4EFSH

pith:2019:KOA4EFSHTP73QTR5IVGGLHG64U

not attested not anchored not stored refs pending

On the Dynamics of the Flow and the Sound Field of an Organ Pipes's Mouth Region

Jost Leonhardt Fischer, Markus Abel, Rolf Bader

arxiv:1912.06484 v1 · 2019-12-12 · physics.flu-dyn

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KOA4EFSHTP73QTR5IVGGLHG64U}

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	2026-07-05T00:26:01.403656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5381c216479bffb84e3d454c659cdee51687d0921bd7c8219cd15ca0371592d2

Aliases

arxiv: 1912.06484 · arxiv_version: 1912.06484v1 · doi: 10.48550/arxiv.1912.06484 · pith_short_12: KOA4EFSHTP73 · pith_short_16: KOA4EFSHTP73QTR5 · pith_short_8: KOA4EFSH

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/KOA4EFSHTP73QTR5IVGGLHG64U \
  | 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: 5381c216479bffb84e3d454c659cdee51687d0921bd7c8219cd15ca0371592d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "677104404ff108b0845610608fcbb0eeb186c405b6aac4753cc5e44290a3f594",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2019-12-12T09:35:08Z",
    "title_canon_sha256": "638c22582da15c10a50b6747f47ea8a8bbb298af71ddbe0f2a1c97a2e09163c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.06484",
    "kind": "arxiv",
    "version": 1
  }
}