Pith Number

pith:6YZYMCKZ

pith:2025:6YZYMCKZHM3ZKIHP4YKENYL7VJ

not attested not anchored not stored refs pending

efunc: An Efficient Function Representation without Neural Networks

Biao Zhang, Peter Wonka

arxiv:2505.21319 v1 · 2025-05-27 · cs.GR · 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{6YZYMCKZHM3ZKIHP4YKENYL7VJ}

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.

Cited by

1 paper in Pith

Patchwork: A compact representation for 3D polygonal shapes

Receipt and verification

First computed	2026-07-05T11:10:40.106540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6338609593b379520efe61446e17faa4a6c0e8ae87c15eb4d3e2c6da715f3fc

Aliases

arxiv: 2505.21319 · arxiv_version: 2505.21319v1 · doi: 10.48550/arxiv.2505.21319 · pith_short_12: 6YZYMCKZHM3Z · pith_short_16: 6YZYMCKZHM3ZKIHP · pith_short_8: 6YZYMCKZ

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/6YZYMCKZHM3ZKIHP4YKENYL7VJ \
  | 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: f6338609593b379520efe61446e17faa4a6c0e8ae87c15eb4d3e2c6da715f3fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1b746a6d1412d6c185077ac3201a9e62a0e3191ae35696ab9858ded8d358328",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2025-05-27T15:16:56Z",
    "title_canon_sha256": "2b3a1eeb931dfa34517ac272be8219a0e702f89d7e5513c0c06dfbf069d0d44e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21319",
    "kind": "arxiv",
    "version": 1
  }
}