Pith Number

pith:GY3ZNE4J

pith:2026:GY3ZNE4JYAOSL2AKGSREYFUIBL

not attested not anchored not stored refs pending

Masked Topology Modeling for Self-Supervised Learning on Parametric CAD

Heinrich Jiang, Jennifer Jang

arxiv:2607.20642 v1 · 2026-07-22 · cs.CV · 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{GY3ZNE4JYAOSL2AKGSREYFUIBL}

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	2026-07-24T00:23:27.178256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3637969389c01d25e80a34a24c16880af22b7ae256246801256df57e357f3a1f

Aliases

arxiv: 2607.20642 · arxiv_version: 2607.20642v1 · doi: 10.48550/arxiv.2607.20642 · pith_short_12: GY3ZNE4JYAOS · pith_short_16: GY3ZNE4JYAOSL2AK · pith_short_8: GY3ZNE4J

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/GY3ZNE4JYAOSL2AKGSREYFUIBL \
  | 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: 3637969389c01d25e80a34a24c16880af22b7ae256246801256df57e357f3a1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3087b1f099516402347ea90c93ad0aa75772a035d84bf17f1d73e2a6fad39a7",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-22T18:13:08Z",
    "title_canon_sha256": "f688555572fe8901567685fa1fa00cf70fc5ac886ce5a82cb26f30d8c326a2fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20642",
    "kind": "arxiv",
    "version": 1
  }
}