Pith Number

pith:XCLMMRGV

pith:2025:XCLMMRGVZCKRW5Z5CCRMMFGJJK

not attested not anchored not stored refs pending

Towards Manufacturing-Friendly Shapes in Discrete Topology Optimization

Lukas Jelinek, Miloslav Capek, Vojtech Neuman

arxiv:2503.10133 v2 · 2025-03-13 · cs.IT · cs.NA · math.IT · 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{XCLMMRGVZCKRW5Z5CCRMMFGJJK}

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	2026-06-05T01:15:12.798598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b896c644d5c8951b773d10a2c614c94a99f8be5181c299c62569ab6198b54521

Aliases

arxiv: 2503.10133 · arxiv_version: 2503.10133v2 · doi: 10.48550/arxiv.2503.10133 · pith_short_12: XCLMMRGVZCKR · pith_short_16: XCLMMRGVZCKRW5Z5 · pith_short_8: XCLMMRGV

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/XCLMMRGVZCKRW5Z5CCRMMFGJJK \
  | 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: b896c644d5c8951b773d10a2c614c94a99f8be5181c299c62569ab6198b54521

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b7d63bd1aa2733b7026c9d83bb81901c119e2aabae35388404b108523871029",
    "cross_cats_sorted": [
      "cs.NA",
      "math.IT",
      "math.NA"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2025-03-13T07:47:30Z",
    "title_canon_sha256": "6619e83d14b450d542302060c6b09567c2dcabd57192410ed0d4ff6e0a464f4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.10133",
    "kind": "arxiv",
    "version": 2
  }
}