Pith Number

pith:33IEWHPP

pith:2025:33IEWHPPMRWBZTTFBIU4X4YANB

not attested not anchored not stored refs pending

A 140 line MATLAB code for topology optimization problems with probabilistic parameters

Andrian Uihlein, Michael Stingl, Ole Sigmund

arxiv:2505.10421 v1 · 2025-05-15 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{33IEWHPPMRWBZTTFBIU4X4YANB}

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.

Cited by

1 paper in Pith

STORX: An Open-Source Object-Oriented Framework for Shape and Topology Optimization in MATLAB

Receipt and verification

First computed	2026-07-05T11:03:38.150584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ded04b1def646c1cce650a29cbf3006852ba01a3dd6596f8dda842e1f74643dd

Aliases

arxiv: 2505.10421 · arxiv_version: 2505.10421v1 · doi: 10.48550/arxiv.2505.10421 · pith_short_12: 33IEWHPPMRWB · pith_short_16: 33IEWHPPMRWBZTTF · pith_short_8: 33IEWHPP

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/33IEWHPPMRWBZTTFBIU4X4YANB \
  | 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: ded04b1def646c1cce650a29cbf3006852ba01a3dd6596f8dda842e1f74643dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dccf0888c5c54206b4d63915824ef38781e391a5916bc2f488351b911bc7900",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-05-15T15:38:20Z",
    "title_canon_sha256": "4e52401c50547e8b898b93e02068b93d64b3e8a4365f594e150e65fa0111f690"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.10421",
    "kind": "arxiv",
    "version": 1
  }
}