Pith Number

pith:HQAVIA62

pith:2025:HQAVIA62I3ZR4KIS4NUCBLLE5N

not attested not anchored not stored refs pending

SAMBLE: Shape-Specific Point Cloud Sampling for an Optimal Trade-Off Between Local Detail and Global Uniformity

Chengzhi Wu, Hao Fu, Jiaming Zhang, Julius Pfrommer, Junwei Zheng, J\"urgen Beyerer, Yuxin Wan, Zeyun Zhong

arxiv:2504.19581 v2 · 2025-04-28 · 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{HQAVIA62I3ZR4KIS4NUCBLLE5N}

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	2026-07-05T11:12:31.136694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c015403da46f31e2912e36820ad64eb51a3b503956887b4ebfc41bb679a2857

Aliases

arxiv: 2504.19581 · arxiv_version: 2504.19581v2 · doi: 10.48550/arxiv.2504.19581 · pith_short_12: HQAVIA62I3ZR · pith_short_16: HQAVIA62I3ZR4KIS · pith_short_8: HQAVIA62

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/HQAVIA62I3ZR4KIS4NUCBLLE5N \
  | 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: 3c015403da46f31e2912e36820ad64eb51a3b503956887b4ebfc41bb679a2857

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d98eb104ccab700753072b6570b80afa5fbad0a9fd28b8d85c46fb3c666e235b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-04-28T08:42:24Z",
    "title_canon_sha256": "dd714a1c1374733bb5b66268e682b622de20346c7353229ccf4444357d5f1c9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.19581",
    "kind": "arxiv",
    "version": 2
  }
}