Pith Number

pith:GW2ZZUST

pith:2013:GW2ZZUSTB2YJVWCQA3O4CLHWZ5

not attested not anchored not stored refs pending

Drag reduction by a solid wall emulating spanwise oscillations. Part 1

Sergei Chernyshenko

arxiv:1304.4638 v1 · 2013-04-16 · 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{GW2ZZUSTB2YJVWCQA3O4CLHWZ5}

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	2026-05-18T03:27:44.109844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35b59cd2530eb09ad85006ddc12cf6cf6cfd22639505469646c437d8af06bad1

Aliases

arxiv: 1304.4638 · arxiv_version: 1304.4638v1 · doi: 10.48550/arxiv.1304.4638 · pith_short_12: GW2ZZUSTB2YJ · pith_short_16: GW2ZZUSTB2YJVWCQ · pith_short_8: GW2ZZUST

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/GW2ZZUSTB2YJVWCQA3O4CLHWZ5 \
  | 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: 35b59cd2530eb09ad85006ddc12cf6cf6cfd22639505469646c437d8af06bad1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dccc89758c0e24accac9f7206fdbf4aadb348ba7e25910ee61cc3071be4162e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2013-04-16T22:36:33Z",
    "title_canon_sha256": "24c703512291f60f5d687aa2f67474f28f41a4efe804e5a1e8792960816623e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4638",
    "kind": "arxiv",
    "version": 1
  }
}