Pith Number

pith:3QB2SHFN

pith:2026:3QB2SHFNG7C2ZPG353P4UFCXCO

not attested not anchored not stored refs pending

Perpendicular rod-airfoil aeroacoustics: experiments and modelling of interaction noise

Filipe R. Amaral, Florent Margnat, Marios I. Spiropoulos, Peter Jordan, Vincent Valeau

arxiv:2605.22546 v1 · 2026-05-21 · 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{3QB2SHFNG7C2ZPG353P4UFCXCO}

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	2026-05-22T01:04:56.729163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc03a91cad37c5acbcdbeedfca145713b5d0af66ef2cf7ae15b383841562c853

Aliases

arxiv: 2605.22546 · arxiv_version: 2605.22546v1 · doi: 10.48550/arxiv.2605.22546 · pith_short_12: 3QB2SHFNG7C2 · pith_short_16: 3QB2SHFNG7C2ZPG3 · pith_short_8: 3QB2SHFN

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/3QB2SHFNG7C2ZPG353P4UFCXCO \
  | 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: dc03a91cad37c5acbcdbeedfca145713b5d0af66ef2cf7ae15b383841562c853

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "879b711ba74f874b13a85a044380d02f10779011ce525f541f7638d149f3b0bf",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2026-05-21T14:28:16Z",
    "title_canon_sha256": "1873da04792292ef64dc037d782feb1e9bf45099253bd714da919b8ad505c561"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22546",
    "kind": "arxiv",
    "version": 1
  }
}