Pith Number

pith:2ZC666IY

pith:2021:2ZC666IYKS3G6ROGBJQV64PY3Z

not attested not anchored not stored refs pending

Fast and Accurate Normal Estimation for Point Cloud via Patch Stitching

Jun Zhou, Mingjie Wang, Wei Jin, Xiuping Liu, Zhaobin Liu, Zhiyang Li

arxiv:2103.16066 v2 · 2021-03-30 · cs.CV · 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{2ZC666IYKS3G6ROGBJQV64PY3Z}

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	2026-07-05T02:28:08.571304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d645ef791854b66f45c60a615f71f8de6838f45e298ca3aedb71c8dfcb238fc0

Aliases

arxiv: 2103.16066 · arxiv_version: 2103.16066v2 · doi: 10.48550/arxiv.2103.16066 · pith_short_12: 2ZC666IYKS3G · pith_short_16: 2ZC666IYKS3G6ROG · pith_short_8: 2ZC666IY

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/2ZC666IYKS3G6ROGBJQV64PY3Z \
  | 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: d645ef791854b66f45c60a615f71f8de6838f45e298ca3aedb71c8dfcb238fc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0280ddd49c9bb6597dc18bcf062afe4048840aeee2c06375aff34647fd9eb43",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-30T04:30:35Z",
    "title_canon_sha256": "16d85d2d3fad49ba0f1a13c2b95aa6011e52ee2a86d2b48c2c78c2f1960b0aa3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.16066",
    "kind": "arxiv",
    "version": 2
  }
}