Pith Number

pith:PWK53QFW

pith:2025:PWK53QFWKRF52WQ3AAMIBCQ6YU

not attested not anchored not stored refs pending

Yield and Buckling Stress Limits in Topology Optimization of Multiscale Structures

Christoffer Fyllgraf Christensen, Fengwen Wang, Ole Sigmund

arxiv:2505.04353 v1 · 2025-05-07 · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PWK53QFWKRF52WQ3AAMIBCQ6YU}

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	2026-07-05T10:59:40.553589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d95ddc0b6544bdd5a1b0018808a1ec50d4e2620497dafefe030ccfe6ddd44b7

Aliases

arxiv: 2505.04353 · arxiv_version: 2505.04353v1 · doi: 10.48550/arxiv.2505.04353 · pith_short_12: PWK53QFWKRF5 · pith_short_16: PWK53QFWKRF52WQ3 · pith_short_8: PWK53QFW

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/PWK53QFWKRF52WQ3AAMIBCQ6YU \
  | 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: 7d95ddc0b6544bdd5a1b0018808a1ec50d4e2620497dafefe030ccfe6ddd44b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bab69d6088304d4a1bfd2668383758d037431820b1299ea0db6bb0bf04be4bb3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2025-05-07T12:04:20Z",
    "title_canon_sha256": "013664fbe8ac106b26d05358aa34e41c7d7bf256c01acbd6d6ce4f9d3e14539e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.04353",
    "kind": "arxiv",
    "version": 1
  }
}