Pith Number

pith:HKSF2U3P

pith:2023:HKSF2U3P52HLOVIKGCCQI2PZ6V

not attested not anchored not stored refs pending

Globally Consistent Normal Orientation for Point Clouds by Regularizing the Winding-Number Field

Changhe Tu, Mingyan Jiang, Ningna Wang, Rui Xu, Shiqing Xin, Shuangmin Chen, Wenping Wang, Xiaohu Guo, Zhiyang Dou

arxiv:2304.11605 v1 · 2023-04-23 · cs.GR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HKSF2U3P52HLOVIKGCCQI2PZ6V}

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	2026-07-05T06:03:34.826072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3aa45d536fee8eb7550a30850469f9f56b768fa9fbaf2a98aedca488343ffd3c

Aliases

arxiv: 2304.11605 · arxiv_version: 2304.11605v1 · doi: 10.48550/arxiv.2304.11605 · pith_short_12: HKSF2U3P52HL · pith_short_16: HKSF2U3P52HLOVIK · pith_short_8: HKSF2U3P

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/HKSF2U3P52HLOVIKGCCQI2PZ6V \
  | 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: 3aa45d536fee8eb7550a30850469f9f56b768fa9fbaf2a98aedca488343ffd3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adbb52c1fa501ba5fe89f3c15aa571bf0e617fec7a74c854744a64feace9cb9b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2023-04-23T10:35:47Z",
    "title_canon_sha256": "29f72d61252c085f6a6e33627e9542e41c37fe3d2635e51122f5ed844d4c3e60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.11605",
    "kind": "arxiv",
    "version": 1
  }
}