Pith Number

pith:WHCINTEK

pith:2019:WHCINTEK5EGE4ZUFORB2USYPKS

not attested not anchored not stored refs pending

On Limitations of the Witness Configuration Method for Geometric Constraint Solving in CAD Modeling

Hsi-Yung Feng, Qiang Zou

arxiv:1904.00526 v3 · 2019-04-01 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WHCINTEK5EGE4ZUFORB2USYPKS}

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	2026-05-17T23:42:48.271250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1c486cc8ae90c4e66857443aa4b0f54adf3afe99ef751c61a2dde8b13b56cef

Aliases

arxiv: 1904.00526 · arxiv_version: 1904.00526v3 · doi: 10.48550/arxiv.1904.00526 · pith_short_12: WHCINTEK5EGE · pith_short_16: WHCINTEK5EGE4ZUF · pith_short_8: WHCINTEK

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/WHCINTEK5EGE4ZUFORB2USYPKS \
  | 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: b1c486cc8ae90c4e66857443aa4b0f54adf3afe99ef751c61a2dde8b13b56cef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89109e073886cef83552fd95ef55672577063c924e07671fc50fb7c5ee859c94",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2019-04-01T01:18:52Z",
    "title_canon_sha256": "42d056c71b2868a54325784ee7d49b1ed01e8379bf3ca2fa293aaae6521f691c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00526",
    "kind": "arxiv",
    "version": 3
  }
}