Pith Number

pith:QXCOGL4Z

pith:2022:QXCOGL4ZZ5NZ2YBG5EDD4MVA2O

not attested not anchored not stored refs pending

Topology Optimization of Multiscale Structures Considering Local and Global Buckling Response

Christoffer Fyllgraf Christensen, Fengwen Wang, Ole Sigmund

arxiv:2210.11477 v2 · 2022-10-18 · cs.CE · 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{QXCOGL4ZZ5NZ2YBG5EDD4MVA2O}

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	2026-07-05T06:05:13.440863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85c4e32f99cf5b9d6026e9063e32a0d3b797594b169840f31a2eba382eff2419

Aliases

arxiv: 2210.11477 · arxiv_version: 2210.11477v2 · doi: 10.48550/arxiv.2210.11477 · pith_short_12: QXCOGL4ZZ5NZ · pith_short_16: QXCOGL4ZZ5NZ2YBG · pith_short_8: QXCOGL4Z

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/QXCOGL4ZZ5NZ2YBG5EDD4MVA2O \
  | 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: 85c4e32f99cf5b9d6026e9063e32a0d3b797594b169840f31a2eba382eff2419

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58c02ba0b2fa71568788e45457e0aa17890935b06c6df42930a771c38a897406",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2022-10-18T12:01:56Z",
    "title_canon_sha256": "bad3369d8511cb6086f74a8a9fab73101550a9aa2f8c4f42eb345675b789aa7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.11477",
    "kind": "arxiv",
    "version": 2
  }
}