Pith Number

pith:M6QWQ3TU

pith:2026:M6QWQ3TUHDICJPMYVSO2VGJFRG

not attested not anchored not stored refs pending

On large-scale wind-drift ocean currents: An asymptotic approach in spherical coordinates

Christian Puntini, Eduard Stefanescu, Luigi Roberti

arxiv:2602.06473 v2 · 2026-02-06 · physics.flu-dyn · math-ph · math.AP · math.MP · 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{M6QWQ3TUHDICJPMYVSO2VGJFRG}

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	2026-06-23T03:13:54.046918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67a1686e7438d024bd98ac9daa99258985a5ee2f3113a0fbfccd4b5302c47bba

Aliases

arxiv: 2602.06473 · arxiv_version: 2602.06473v2 · doi: 10.48550/arxiv.2602.06473 · pith_short_12: M6QWQ3TUHDIC · pith_short_16: M6QWQ3TUHDICJPMY · pith_short_8: M6QWQ3TU

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/M6QWQ3TUHDICJPMYVSO2VGJFRG \
  | 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: 67a1686e7438d024bd98ac9daa99258985a5ee2f3113a0fbfccd4b5302c47bba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39e39dccf7eda7bb9a4c7187b1e1b69878dbad08fbf994c7d81645d2e9d026c2",
    "cross_cats_sorted": [
      "math-ph",
      "math.AP",
      "math.MP",
      "physics.ao-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2026-02-06T08:01:52Z",
    "title_canon_sha256": "cf4787d42f414897b4c77c0e78a9fbfea888509b765f932975c711a9bf51eb66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.06473",
    "kind": "arxiv",
    "version": 2
  }
}