Pith Number

pith:ZU6LVIKP

pith:2018:ZU6LVIKPLIN23SJA3PXELDQAOK

not attested not anchored not stored refs pending

Acoustic Propagation in lined ducts with varying cross-section using a Mild-Slope approximation

Maaz Farooqui, Vincent Pagneux, Yves Aur\'egan

arxiv:1809.03277 v1 · 2018-09-10 · 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{ZU6LVIKPLIN23SJA3PXELDQAOK}

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	2026-05-18T00:06:09.387792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd3cbaa14f5a1badc920dbee458e00729024a487ea2cd82bed4da92cfa15f7a1

Aliases

arxiv: 1809.03277 · arxiv_version: 1809.03277v1 · doi: 10.48550/arxiv.1809.03277 · pith_short_12: ZU6LVIKPLIN2 · pith_short_16: ZU6LVIKPLIN23SJA · pith_short_8: ZU6LVIKP

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/ZU6LVIKPLIN23SJA3PXELDQAOK \
  | 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: cd3cbaa14f5a1badc920dbee458e00729024a487ea2cd82bed4da92cfa15f7a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b7f01b68d01250e7332b8000e9febb98c3d143a52ee737f3cd63ac8f29ee0c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-09-10T12:52:32Z",
    "title_canon_sha256": "548f066ea7a0779c1916922a7bb4678c8df5869f20b4e7f74b02da44db05105d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03277",
    "kind": "arxiv",
    "version": 1
  }
}