Pith Number

pith:CWWFE4PA

pith:2012:CWWFE4PA2GSKLXUIJRYNPVTNRZ

not attested not anchored not stored refs pending

Four-vortex motion around a circular cylinder

G. L. Vasconcelos, M. N. Moura

arxiv:1208.5667 v2 · 2012-08-28 · 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{CWWFE4PA2GSKLXUIJRYNPVTNRZ}

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	2026-05-18T02:57:33.939858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15ac5271e0d1a4a5de884c70d7d66d8e7052fcc822d70d62724b14a5351055a1

Aliases

arxiv: 1208.5667 · arxiv_version: 1208.5667v2 · doi: 10.48550/arxiv.1208.5667 · pith_short_12: CWWFE4PA2GSK · pith_short_16: CWWFE4PA2GSKLXUI · pith_short_8: CWWFE4PA

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/CWWFE4PA2GSKLXUIJRYNPVTNRZ \
  | 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: 15ac5271e0d1a4a5de884c70d7d66d8e7052fcc822d70d62724b14a5351055a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c7ab9fbd2cc0ac9e6dfa7044ed9fb5bbfae26a532aa59eacd45da027523d90a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2012-08-28T13:52:29Z",
    "title_canon_sha256": "f6a6d0cac2f6dfadbcc7eb0a44e3136ace1cd05931e32aa59f89809fddb9b159"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5667",
    "kind": "arxiv",
    "version": 2
  }
}