Pith Number

pith:WG7BQAJF

pith:2013:WG7BQAJF6IEYZ67MU7UQFWSKBK

not attested not anchored not stored refs pending

Trailing edge noise theory for rotating blades in uniform flow

Anurag Agarwal, Mike Kingan, Samuel Sinayoko

arxiv:1304.8072 v2 · 2013-04-30 · 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{WG7BQAJF6IEYZ67MU7UQFWSKBK}

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	2026-05-18T01:50:13.986012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1be180125f2098cfbeca7e902da4a0aad5554e3c3309a2ab71d35de6487c136

Aliases

arxiv: 1304.8072 · arxiv_version: 1304.8072v2 · doi: 10.48550/arxiv.1304.8072 · pith_short_12: WG7BQAJF6IEY · pith_short_16: WG7BQAJF6IEYZ67M · pith_short_8: WG7BQAJF

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/WG7BQAJF6IEYZ67MU7UQFWSKBK \
  | 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: b1be180125f2098cfbeca7e902da4a0aad5554e3c3309a2ab71d35de6487c136

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c74037b50b1702817b97daf75daf913813e9be307feb1b77ddc94a9874908879",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2013-04-30T17:11:03Z",
    "title_canon_sha256": "1f19f0205a344fa5a46fc6686439d70f4fe337a080bb675b0100b794234cbfb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.8072",
    "kind": "arxiv",
    "version": 2
  }
}