Pith Number

pith:6EX2UX42

pith:2018:6EX2UX42D7F3PGECCJ2TBH4XSE

not attested not anchored not stored refs pending

Length correction of 2D discontinuities or perforations at large wavelengths and for linear acoustics

Fabien Chevillotte, Luc Jaouen

arxiv:1804.09391 v1 · 2018-04-25 · physics.class-ph · physics.flu-dyn · physics.hist-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{6EX2UX42D7F3PGECCJ2TBH4XSE}

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	2026-05-18T00:17:31.971261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f12faa5f9a1fcbb798821275309f97910804b327ded2eec3949910a28bbc366a

Aliases

arxiv: 1804.09391 · arxiv_version: 1804.09391v1 · doi: 10.48550/arxiv.1804.09391 · pith_short_12: 6EX2UX42D7F3 · pith_short_16: 6EX2UX42D7F3PGEC · pith_short_8: 6EX2UX42

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/6EX2UX42D7F3PGECCJ2TBH4XSE \
  | 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: f12faa5f9a1fcbb798821275309f97910804b327ded2eec3949910a28bbc366a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e8afce83fcafb15fa3a6a38085b6c19ebc9e7fe0c669925c526f11cfdfeb3e2",
    "cross_cats_sorted": [
      "physics.flu-dyn",
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2018-04-25T07:08:46Z",
    "title_canon_sha256": "72f98ce275fdf04abf7e1372aecb33f2602d55f9f27c824d2c142695c0aa808b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09391",
    "kind": "arxiv",
    "version": 1
  }
}