Pith Number

pith:Y4NXAB4T

pith:2009:Y4NXAB4T3PBYZXAGUKBE76JBEV

not attested not anchored not stored refs pending

Induction in a von Karman flow driven by ferromagnetic impellers

Gautier Verhille, Jean-Francois Pinton, Mickael Bourgoin, Nicolas Plihon, Philippe Odier

arxiv:0912.2429 v1 · 2009-12-12 · 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{Y4NXAB4T3PBYZXAGUKBE76JBEV}

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	2026-05-18T02:10:24.149770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c71b700793dbc38cdc06a2824ff9212542db878219967b2fbfda45e4b7c5e737

Aliases

arxiv: 0912.2429 · arxiv_version: 0912.2429v1 · doi: 10.48550/arxiv.0912.2429 · pith_short_12: Y4NXAB4T3PBY · pith_short_16: Y4NXAB4T3PBYZXAG · pith_short_8: Y4NXAB4T

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/Y4NXAB4T3PBYZXAGUKBE76JBEV \
  | 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: c71b700793dbc38cdc06a2824ff9212542db878219967b2fbfda45e4b7c5e737

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ffd53149f018401654e5af0b0858906417bc508e32c2497847d6274ca415f8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2009-12-12T16:24:02Z",
    "title_canon_sha256": "72dde88dceeb9e5707d4581e44b0da3b7b7ea4124aadceae429d2621e0972170"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2429",
    "kind": "arxiv",
    "version": 1
  }
}