Pith Number

pith:I6WUNGTY

pith:2023:I6WUNGTY4EKLLJDTFU5CSBMTTS

not attested not anchored not stored refs pending

B-rep Matching for Collaborating Across CAD Systems

Adriana Schulz, Benjamin Jones, Ilya Baran, James Noeckel, Milin Kodnongbua

arxiv:2306.03169 v1 · 2023-06-05 · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I6WUNGTY4EKLLJDTFU5CSBMTTS}

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	2026-07-05T06:17:54.527569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47ad469a78e114b5a4732d3a2905939cba4010881ddd055d9783460ade2ce7c1

Aliases

arxiv: 2306.03169 · arxiv_version: 2306.03169v1 · doi: 10.48550/arxiv.2306.03169 · pith_short_12: I6WUNGTY4EKL · pith_short_16: I6WUNGTY4EKLLJDT · pith_short_8: I6WUNGTY

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/I6WUNGTY4EKLLJDTFU5CSBMTTS \
  | 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: 47ad469a78e114b5a4732d3a2905939cba4010881ddd055d9783460ade2ce7c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bdaec1ce343ac1bc5367cf21012c2e457cb4f69726bb200aad9ac50a3551092",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2023-06-05T18:23:41Z",
    "title_canon_sha256": "62f3f48c119820f48cdf1c89a16bdcd196b08d42309d585280af2c8931c92d4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.03169",
    "kind": "arxiv",
    "version": 1
  }
}