Pith Number

pith:3YQABVFC

pith:2023:3YQABVFC5KXKAXEPVTICPU3FSR

not attested not anchored not stored refs pending

Efficient Inverse-designed Structural Infill for Complex Engineering Structures

J. Andreas B{\ae}rentzen, Niels Aage, Ole Sigmund, Peter D{\o}rffler Ladegaard Jensen, Tim Felle Olsen

arxiv:2307.09518 v1 · 2023-07-18 · cs.GR · cs.CE · cs.NA · math.NA · 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{3YQABVFC5KXKAXEPVTICPU3FSR}

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	2026-07-05T06:32:42.061982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de2000d4a2eaaea05c8facd027d3659461891ad0a8f5fd820ce8656f4e9d0fae

Aliases

arxiv: 2307.09518 · arxiv_version: 2307.09518v1 · doi: 10.48550/arxiv.2307.09518 · pith_short_12: 3YQABVFC5KXK · pith_short_16: 3YQABVFC5KXKAXEP · pith_short_8: 3YQABVFC

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/3YQABVFC5KXKAXEPVTICPU3FSR \
  | 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: de2000d4a2eaaea05c8facd027d3659461891ad0a8f5fd820ce8656f4e9d0fae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3161bfaf64f7759d951e3e33d5b2cf52e738f4fde95394fd40b27f6a41a36f5b",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.NA",
      "math.NA",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2023-07-18T18:01:02Z",
    "title_canon_sha256": "e8ff44ed02e758ef48284722a8e77c799b378c7da3318eea3683c59783441b37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.09518",
    "kind": "arxiv",
    "version": 1
  }
}