Pith Number

pith:EKJ4QOC3

pith:2025:EKJ4QOC33AGKMNSSP4FWAHIPP4

not attested not anchored not stored refs pending

Effective permeabilities for flow through anisotropic microscopic geometries

Barbara Wohlmuth, Daniel Peterseim, Fabian Holzberger, Lo\"ic Balazi, Malte A. Peter, Stephan B. Lunowa

arxiv:2512.04133 v2 · 2025-12-03 · physics.flu-dyn · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EKJ4QOC33AGKMNSSP4FWAHIPP4}

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	2026-06-04T01:08:37.218066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2293c8385bd80ca636527f0b601d0f7f18e43518c6f0645f25a09e9185695101

Aliases

arxiv: 2512.04133 · arxiv_version: 2512.04133v2 · doi: 10.48550/arxiv.2512.04133 · pith_short_12: EKJ4QOC33AGK · pith_short_16: EKJ4QOC33AGKMNSS · pith_short_8: EKJ4QOC3

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/EKJ4QOC33AGKMNSSP4FWAHIPP4 \
  | 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: 2293c8385bd80ca636527f0b601d0f7f18e43518c6f0645f25a09e9185695101

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "847afd37f24b5094286b0401bb5d8a14dc0a8c59d66b54b1ac9c712329033ff3",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2025-12-03T14:28:01Z",
    "title_canon_sha256": "94de30642a2fe823e5db8e8aebb1071ace2e90645afa76be842b079672cb10ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.04133",
    "kind": "arxiv",
    "version": 2
  }
}