Pith Number

pith:LASJD4PG

pith:2026:LASJD4PG7UW5ERGXBDUCWBUQGT

not attested not anchored not stored refs pending

Patchwork: A compact representation for 3D polygonal shapes

Biao Zhang, Michael Birsak, Mikhail Skopenkov, Peter Wonka, Ruichen Zheng

arxiv:2605.16266 v1 · 2026-03-24 · cs.GR · 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{LASJD4PG7UW5ERGXBDUCWBUQGT}

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	2026-05-20T00:02:14.151907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

582491f1e6fd2dd244d708e82b069034d99335960b1b804659956ce041d731d6

Aliases

arxiv: 2605.16266 · arxiv_version: 2605.16266v1 · doi: 10.48550/arxiv.2605.16266 · pith_short_12: LASJD4PG7UW5 · pith_short_16: LASJD4PG7UW5ERGX · pith_short_8: LASJD4PG

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/LASJD4PG7UW5ERGXBDUCWBUQGT \
  | 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: 582491f1e6fd2dd244d708e82b069034d99335960b1b804659956ce041d731d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ac60cade18c3a10c84d17d0630732718c3d51693324444199b2388b374c4275",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2026-03-24T15:20:32Z",
    "title_canon_sha256": "13bfd96029da5304cc532d1c967bf8abd0713413f2796323fa38be4640bd4509"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.16266",
    "kind": "arxiv",
    "version": 1
  }
}