Pith Number

pith:P7XD5IIW

pith:2026:P7XD5IIWSB2VATNZEIFAPTYNKH

not attested not anchored not stored refs pending

BRepCLIP: Contrastive Multimodal Pretraining on BRep Primitives for CAD Understanding

Didier Stricker, Mohammad Sadil Khan, Muhammad Usama, Muhammad Zeshan Afzal

arxiv:2606.05515 v1 · 2026-06-03 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P7XD5IIWSB2VATNZEIFAPTYNKH}

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	2026-06-05T01:14:53.399478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fee3ea1169075504db9220a07cf0d51e8a9b02846011a3dfdbecb087ee4dd7f

Aliases

arxiv: 2606.05515 · arxiv_version: 2606.05515v1 · doi: 10.48550/arxiv.2606.05515 · pith_short_12: P7XD5IIWSB2V · pith_short_16: P7XD5IIWSB2VATNZ · pith_short_8: P7XD5IIW

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/P7XD5IIWSB2VATNZEIFAPTYNKH \
  | 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: 7fee3ea1169075504db9220a07cf0d51e8a9b02846011a3dfdbecb087ee4dd7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4af7486966cc35acc87922edbac7898798e170b4d6600618195d72acbf94fdeb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-03T23:41:23Z",
    "title_canon_sha256": "edb4918fbce7868e9debd680a0a5752136fd2d0b16d445911a6ff9a18a62290f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05515",
    "kind": "arxiv",
    "version": 1
  }
}