Pith Number

pith:PRDNVCL2

pith:2025:PRDNVCL2DURWCSLFOUMTWJPCV6

not attested not anchored not stored refs pending

Aligning Constraint Generation with Design Intent in Parametric CAD

Amir Khasahmadi, Evan Casey, John Roger Thompson, Joseph George Lambourne, Karl D.D. Willis, Pradeep Kumar Jayaraman, Shu Ishida, Tianyu Zhang, William P. McCarthy

arxiv:2504.13178 v2 · 2025-04-17 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PRDNVCL2DURWCSLFOUMTWJPCV6}

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	2026-07-05T11:48:48.701485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c46da897a1d2361496575193b25e2afb15368d7a0c4b3d22c580d94c40cb5a5

Aliases

arxiv: 2504.13178 · arxiv_version: 2504.13178v2 · doi: 10.48550/arxiv.2504.13178 · pith_short_12: PRDNVCL2DURW · pith_short_16: PRDNVCL2DURWCSLF · pith_short_8: PRDNVCL2

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/PRDNVCL2DURWCSLFOUMTWJPCV6 \
  | 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: 7c46da897a1d2361496575193b25e2afb15368d7a0c4b3d22c580d94c40cb5a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a6b1220a93549f3ca795e752c5a11189106be26c93f818cd6927aa06c5cc6f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-04-17T17:59:54Z",
    "title_canon_sha256": "fd102da43279ba28afa25476eea56d018d4bea9495fa8cf36f9e4fd937065a5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.13178",
    "kind": "arxiv",
    "version": 2
  }
}