Pith Number

pith:EMHNO5C4

pith:2014:EMHNO5C4WKCIJ3MJM5EZHRVO3W

not attested not anchored not stored refs pending

Determination of the characteristics of a linear ducted sound source

Ann P. Dowling, Anurag Agarwal, Ludovic Desvard, Timothy J. Newman

arxiv:1404.6382 v1 · 2014-04-25 · 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{EMHNO5C4WKCIJ3MJM5EZHRVO3W}

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	2026-05-18T02:53:16.665942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

230ed7745cb28484ed89674993c6aeddba31be68a37cd12bb027d05bd4ab38c5

Aliases

arxiv: 1404.6382 · arxiv_version: 1404.6382v1 · doi: 10.48550/arxiv.1404.6382 · pith_short_12: EMHNO5C4WKCI · pith_short_16: EMHNO5C4WKCIJ3MJ · pith_short_8: EMHNO5C4

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/EMHNO5C4WKCIJ3MJM5EZHRVO3W \
  | 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: 230ed7745cb28484ed89674993c6aeddba31be68a37cd12bb027d05bd4ab38c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d400c8d7c6f073271e5f4e994b830be06da5eb6450c08a450049dcbce8414f80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2014-04-25T10:48:26Z",
    "title_canon_sha256": "f4d29f9a7a55c24c2268f07b9a15ce0cd3d2ce74f4ca3ae51df714be4d032529"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6382",
    "kind": "arxiv",
    "version": 1
  }
}