Pith Number

pith:QHF3QHGT

pith:2024:QHF3QHGT7ZRRP2WNHX3DIM4I4P

not attested not anchored not stored refs pending

DCUDF2: Improving Efficiency and Accuracy in Extracting Zero Level Sets from Unsigned Distance Fields

Fei Hou, Fugang Yu, Wencheng Wang, Xuhui Chen, Ying He, Zhebin Zhang

arxiv:2408.17284 v1 · 2024-08-30 · 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{QHF3QHGT7ZRRP2WNHX3DIM4I4P}

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	2026-07-05T09:01:13.221683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81cbb81cd3fe6317eacd3df6343388e3d1a43accafc98b0f430ad348ad18304d

Aliases

arxiv: 2408.17284 · arxiv_version: 2408.17284v1 · doi: 10.48550/arxiv.2408.17284 · pith_short_12: QHF3QHGT7ZRR · pith_short_16: QHF3QHGT7ZRRP2WN · pith_short_8: QHF3QHGT

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/QHF3QHGT7ZRRP2WNHX3DIM4I4P \
  | 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: 81cbb81cd3fe6317eacd3df6343388e3d1a43accafc98b0f430ad348ad18304d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1b8f5f3bf46552b3e110c6768cb3f8640e6c88993fbe2ba035e029ca5326fd5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2024-08-30T13:31:15Z",
    "title_canon_sha256": "5d9e03ace99fd520155fbe22be3b80e0e5f1d46f76e2133716bcc69a0d35cdc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.17284",
    "kind": "arxiv",
    "version": 1
  }
}