Pith Number

pith:PB54B4ZH

pith:2026:PB54B4ZHUM3O7AYJHJPJMSJYTC

not attested not anchored not stored refs pending

An equivalence of moment closure and nonlinear variational approximation of the Fokker-Planck equation for dilute polymeric flow

Barbara Wohlmuth, Caroline Lasser, Stephan B. Lunowa

arxiv:2602.04644 v2 · 2026-02-04 · math.SP · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PB54B4ZHUM3O7AYJHJPJMSJYTC}

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	2026-07-27T00:19:46.757990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

787bc0f327a336ef83093a5e96493898bfde6ea47a830bb09daa680aca891d73

Aliases

arxiv: 2602.04644 · arxiv_version: 2602.04644v2 · doi: 10.48550/arxiv.2602.04644 · pith_short_12: PB54B4ZHUM3O · pith_short_16: PB54B4ZHUM3O7AYJ · pith_short_8: PB54B4ZH

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/PB54B4ZHUM3O7AYJHJPJMSJYTC \
  | 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: 787bc0f327a336ef83093a5e96493898bfde6ea47a830bb09daa680aca891d73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64916c2a0f1570cdb5ca8f1ebb84be80b7f8261eca91f0fcdf87bd386b6d8fd6",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2026-02-04T15:11:49Z",
    "title_canon_sha256": "164af58a0a277025c18c30d20bd9d2a3840618dece03d1fd1c751429265edd33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.04644",
    "kind": "arxiv",
    "version": 2
  }
}