Pith Number

pith:7JTEB5E3

pith:2021:7JTEB5E3RBSWZ5GDYZSTN7QGPE

not attested not anchored not stored refs pending

Improvement of Normal Estimation for PointClouds via Simplifying Surface Fitting

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

arxiv:2104.10369 v1 · 2021-04-21 · 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{7JTEB5E3RBSWZ5GDYZSTN7QGPE}

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	2026-07-05T02:34:01.644186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa6640f49b88656cf4c3c66536fe06793ec8c8d611c394d35bd2845d50ae7c12

Aliases

arxiv: 2104.10369 · arxiv_version: 2104.10369v1 · doi: 10.48550/arxiv.2104.10369 · pith_short_12: 7JTEB5E3RBSW · pith_short_16: 7JTEB5E3RBSWZ5GD · pith_short_8: 7JTEB5E3

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/7JTEB5E3RBSWZ5GDYZSTN7QGPE \
  | 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: fa6640f49b88656cf4c3c66536fe06793ec8c8d611c394d35bd2845d50ae7c12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09abf25f49050690784892f36a647ac4df4dcba0784c45ca8bfba208f2b63ca1",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-21T06:13:29Z",
    "title_canon_sha256": "f6f9dacae02148d0e9aa3e08858ea3827d91f554fec50b2e69c1a36ebb0777fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.10369",
    "kind": "arxiv",
    "version": 1
  }
}