Pith Number

pith:UFJPWCEE

pith:2009:UFJPWCEEMOW26EOZJ5VGLV4X3W

not attested not anchored not stored refs pending

Divorticity and Dihelicity In Two-Dimensional Hydrodynamics

B.K. Shivamoggi, G.J.F. van Heijst, J. Juul Rasmussen

arxiv:0909.0239 v2 · 2009-09-01 · physics.flu-dyn · physics.ao-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UFJPWCEEMOW26EOZJ5VGLV4X3W}

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	2026-05-18T02:12:11.971091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a152fb088463adaf11d94f6a65d797dd9dc50fa9127fc5651be93a741dab0895

Aliases

arxiv: 0909.0239 · arxiv_version: 0909.0239v2 · doi: 10.48550/arxiv.0909.0239 · pith_short_12: UFJPWCEEMOW2 · pith_short_16: UFJPWCEEMOW26EOZ · pith_short_8: UFJPWCEE

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/UFJPWCEEMOW26EOZJ5VGLV4X3W \
  | 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: a152fb088463adaf11d94f6a65d797dd9dc50fa9127fc5651be93a741dab0895

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80d2910a802dcdf1443c1e8bbba9818a1506c03a9eaaaffd9f5d289bf99def98",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2009-09-01T18:38:09Z",
    "title_canon_sha256": "6ea0994bdfcec04e96ca164e488e6e83aa03527cf03264062720214cbffd4250"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0239",
    "kind": "arxiv",
    "version": 2
  }
}